Get Free 2016 GMC SIERRA V8, 6.6L; OHV; 32V; DI; Diesel; Turbo TSBs

Released 5/17/2019
Oil Life Monitor Engine Control Module Update

Released 3/12/2018
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 3/9/2018
Drivers Side Front Door Glass Does Not Move Up or Down and/or Inoperative or Jerky/Uneven Motion

Released 3/5/2018
Warm Air Exhausting from Driver and/or Passenger Front Seat Back into 2nd Row Seating Area Causing Occupant Discomfort

Released 3/1/2018
Procedure for Installation of an Aftermarket Trailer Brake Controller Or In Lieu Of Factory Trailer Brake Controller

Released 2/28/2018
Red LED, No WiFi Operation, and/or Limited OnStar Module Functionality After OnStar Module Replacement for Another Condition

Released 2/14/2018
OnStar, XM, GPS or Antenna Malfunction -- May Set DTC B2462, B2470 or B125C - and/or Water Leak on Headliner at Sun Visor or Overhead Console Areas, Possible Battery Drain Concern

Released 2/13/2018
Engineering Information - Both Front Low Beam, High Beam, Day Time Running Lamps (DRL) and Turn Signals Inoperative

Released 2/9/2018
Cluster DIC Display Dims or Fades with High Temperature (Normal Operation)

Released 2/6/2018
Aftermarket Installed Service, Tool or Utility Box Sagging, Mis-aligned, Forward Box Mount Bracket Fractured on Trucks Equipped with Aftermarket Bodies

Released 2/2/2018
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 2/2/2018
Do Not Swap Modules in Vehicles With Global Electrical Systems

Released 1/26/2018
Engineering Information - Rear Defogger Grid Inoperative and/or Will Not Defog Rear Window Properly

Released 12/11/2017
Engineering Information - Steering Jerks, Whips or Kicks Back

Released 12/7/2017
Disabling Auto Door Locks

Released 12/6/2017
Installation Of Electrical Aftermarket Accessories (Battery Ignition And Ground Connections)

Released 12/4/2017
Engineering Information - California Only - Pilot Initiative - Urgent Service Action Required

Released 11/30/2017
Engineering Information -- Service Power Steering Message Displayed and/or Power Steering Fluid Leak

Released 11/27/2017
Creak Click Pop Crack Type Noise From Front Suspension/Frame Area While Making Turns

Released 11/21/2017
Water / Dust Through Openings Under The Bed Rails Near The Stake Pockets Or Gap At Tailgate

Released 11/17/2017
Memory Mirror Positions Lost and/or Reverse Tilt is Inoperative

Released 11/9/2017
Compatibility of K2xx 22” Accessory Wheels and Tires Through GM Accessories -- Use of Altered Vehicle Certification Label

Released 11/7/2017
Information On Hitch Ball Movement on Gooseneck Drop-in Hitch

Released 11/7/2017
Diagnostic Tip - Memory Features For Driver 3 Or 4

Released 10/20/2017
PQC 2015-2018 8L45 8L90 Automatic Transmission Park Actuator Rod Restriction

Released 10/16/2017
Tailgate And Cargo Loop Capacity

Released 9/28/2017
Diagnostic Tip: OnStar Vehicles with B101D and Symptom Codes

Released 9/25/2017
Diagnostic Tip - Service Driver Assist Message

Released 9/25/2017
Diagnostic Tip - Service Trailer Brake Message with DTC C111B C1112 C1113 C1114

Released 9/25/2017
EZ Lower Tailgate Opens Too Quickly / Additional Effort To Close

Released 8/2/2017
Diagnostic Tip: Loss of HMI Communication While Viewing HMI Data List with GDS2 Scan Tool

Released 7/26/2017
Information on Replacement Key Cutting

Released 7/25/2017
Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application

Released 7/25/2017
Warm Air Exhausting from Driver and/or Passenger Front Seat Back into 2nd Row Seating Area Causing Occupant Discomfort

Released 7/14/2017
Click or Tick Noise on 3-4 Shift

Released 7/11/2017
Hood Ajar Message

Released 7/11/2017
Remote Start Inoperative / Power Lift-Gate Inoperative / Start And Stall / No Start / Blower Motor Stays On With Ignition Off / SES MIL / DTC P2537 P129D

Released 6/30/2017
Stalling - Hesitation - Lack Of Performance P018B and/Or P2635 Setting In High Ambient Temperatures

Released 6/28/2017
Poor, Weak and/or Lazy Seat Belt Retraction on Driver and Passenger Seat Belts

Released 6/22/2017
Touch Screen Beep is Recognized by OnStar as a Voice Command

Released 6/20/2017
Fuel Leak, Fuel Smell/Odor, Rubbing/Grinding/Clanking/Hitting/Banging/Popping/Thumping Noise from Under Vehicle, Fuel Gauge Reading Inaccurate

Released 6/19/2017
Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In

Released 6/19/2017
Diagnostic Tips for Engine Vibration

Released 6/15/2017
Coolant Loss And/Or Coolant Odor

Released 6/14/2017
Trailer Brake Controller Harness - Information for Adding an Aftermarket Trailer Brake Controller

Released 6/13/2017
Vehicle Will Not Stay in CNG Mode - DTC P2199 Set

Released 6/12/2017
Diagnostic Tip Malfunction Indicator Lamp (MIL) Illuminated - DTC P171D Set

Released 6/9/2017
Engineering Information - Malfunction Indicator Lamp (MIL) Illuminated and/or Engine Misfire Due to Loose Spark Plug Wire

Released 6/9/2017
Diagnostic Information to Determine if the Steering Gear OR Motor Kit Needs to be Replaced

Released 6/8/2017
Rough Idle in Drive

Released 5/16/2017
Brake Shudder While Towing Gooseneck and Fifth Wheel Trailers with Electric Brakes

Released 5/16/2017
Tailgate and Cargo Loop Capacity

Released 5/12/2017
Information on Availability of Tri-fold Tonneau Cover New Spring Latch Kit

Released 5/1/2017
Revised Wheel Balancer Mounting Instructions (Heavy Duty Models Only)

Released 4/14/2017
Steering Jerks Or Kicks Back / Reduced Power Steering Assist / Engine Stall / No Start / Service Stabilitrak / IPC / Radio / HVAC Goes Blank Various DTCs

Released 4/11/2017
Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986 High Resistance)

Released 4/11/2017
Tips for Customers Having Difficulty Launching Android Auto or Apple Carplay

Released 4/7/2017
Engineering Information - Rear Defogger Grid Inoperative and/or Will Not Defog Rear Window Properly

Released 3/28/2017
(HYBRID) No Start, EV, BAS3 eAssist Red Battery Light/Charging System Light On, Malfunction Indicator Lamp (MIL) Illuminated - DTC P1F17 Set

Released 3/24/2017
Spray-in Bed Liner General Information and Repair Procedures

Released 3/22/2017
Diagnostic Tip: Whistle Noise From Inside Vehicle

Released 3/16/2017
Harsh 1-2, Harsh 3-1 Decel Downshift, Harsh Downshifts Under Heavy Throttle

Released 3/9/2017
Engineering Information - Check Engine Light, Delayed Shifts and/or Transmission Stuck in Gear with DTC P0751, P0752, P0756, P0757, P0761 or P0762 Set

Released 3/3/2017
Repeated Radio/display Resets, Volume Control Inoperative, Waiting for Update Media Message, Voice Command For Calling Bluetooth Phone Contacts Inoperative, Service Rear Vision System Message, Radio Turns On Unwanted At Startup, and/or Navigation Radio De

Released 2/14/2017
During Bluetooth Phone Conversations the Person Outside of Vehicle May Hear Their Voice Echo as They Speak to the Person Inside of Vehicle

Released 2/3/2017
Normal Characteristic - Tailgate Cable Slack

Released 2/1/2017
Normal Characteristic - Bump Feel Or Clunk Noise After A Stop

Released 2/1/2017
Front Row Seat Back Appears To Lean Outward (Seat Cover Improperly Installed)

Released 1/26/2017
Customer Satisfaction Program - Service Part - Seat Adjuster End Stops Not Installed

Released 1/25/2017
Cluster DIC Display Dims Or Fades With High Temperature (Normal Operation)

Released 1/25/2017
Front Seat Lateral Movement and/or Unable To Install Front Seat Lateral Retainer When Performing PI1376 Or PI1183

Released 1/20/2017
Harsh 1-2, Harsh 3-1 Decel Downshift, Harsh Downshifts Under Heavy Throttle, AFM Transition and Step In Clunk During Downshift

Released 1/4/2017
TAC Part Restriction for US Dealers - Navigation Radio, Radio, Human Machine Interface, Media Player, Radio Display, and Radio Control/Integrated Center Stack

Released 12/21/2016
Click Rattle or Squeak Noise from Dash Area

Released 12/21/2016
Service Park Assist Message at Start Up with DTC U0159 and/or False Alerts

Released 12/20/2016
Information On Adding A Snowplow To A Light Duty Pick Up and/Or SUV

Released 12/19/2016
Information on Mounting Points for Pickup Box Accessories

Released 12/19/2016
Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages

Released 12/14/2016
Service Front Camera / Service Lane Departure Warning / Service Lane Keep Assist Message with DTC B1008 SYM4B

Released 12/14/2016
Creak Click Pop Crack Type Noise From Front Suspension/Frame Area While Making Turns

Released 12/12/2016
Diagnostic Tip - Lane Keep Assist And Lane Departure Warning Functionality

Released 12/6/2016
Delayed Engagement After Sitting With Engine Off - Clutch Slow to Fill

Released 12/1/2016
Installation Of Electrical Aftermarket Accessories (Battery Ignition And Ground Connections)

Released 11/30/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 11/30/2016
Reduced HVAC Air Flow From Passenger Side Far Right Dash Vent

Released 11/30/2016
Disabling Auto Door Locks

Released 11/30/2016
Click Rattle Or Squeak Noise From Dash Area

Released 11/29/2016
Lane Departure/Lane Keep Assist, Forward Collision Alert/Front Automatic Braking and/or Adaptive Cruise Control is Inoperative, Weak or Dead Battery, Battery Low Start Vehicle Message Displayed

Released 11/23/2016
Engineering Information - Vehicle Crank with No Start or Stalling with DTC P0011 and/or P00C6 Set

Released 11/21/2016
Hood Flutter, Shake or Vibration at Highway Speeds or over Rough Road Conditions

Released 11/18/2016
Safety Recall - Accelerator Pedal Entrapment

Released 11/18/2016
Service Trailer Brake Message With DTCs C1112 C1113 C1114 C111B U1556 and/or U1505

Released 11/16/2016
Diagnostic Tip for Excessive Smoke From Tail Pipe, DTC P2002 Set

Released 11/10/2016
Engineering Information - Check Trailer Message Displayed with No Trailer Connected

Released 11/9/2016
ALPINE Radio Troubleshooting and Exchange Program

Released 11/2/2016
Customer Satisfaction Program - Vehicles with Key Codes Improperly Handled by Third Party

Released 11/1/2016
No Crank / No Start

Released 10/14/2016
eAssist (BAS3 HYBRID) Generator Control Module (GCM) Part Restriction

Released 10/14/2016
eAssist (BAS3 HYBRID) Drive Motor Generator Battery Module (Powerpack) and Part Restriction

Released 10/13/2016
Engine Misfire/Tick Noise. Malfunction Indicator Lamp (MIL) Illuminated with DTC P0300 Set

Released 10/10/2016
Waiting for Update Media Message Displayed Under Various Conditions

Released 10/3/2016
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 10/3/2016
SES Lamp Setting A P0106 And/or P0506

Released 9/29/2016
Warranty Administration - General Motors Tire Warranty Policies and Procedures for Low Cab Forward Medium Duty Trucks (U.S. Medium Duty Dealers Only)

Released 9/27/2016
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

Released 9/26/2016
EZ Lower Tailgate Opens Too Quickly / Additional Effort To Close

Released 9/12/2016
Dent/Ripple Appearance Around Wheel Well Opening

Released 9/9/2016
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 9/6/2016
Engineering Information - Service 4WD Message Displayed and DTC C0398 Set in Transfer Case Module On Vehicles Built After March 15, 2016

Released 8/29/2016
Fleet Action Center (FAC) Labor Operation Restrictions and Repair Restrictions for US Medium Duty Dealers

Released 8/24/2016
Engineering Information -- Rear Bumper Step Pad Melted or Warped

Released 8/17/2016
Reduced Power Steering Assist Engine Stall IPC / Radio / HVAC Goes Blank Various DTCs

Released 8/11/2016
Back Up Alarm Inoperative And Needs To Be Connected During PDI

Released 8/10/2016
Product Safety - Brake Pedal Pivot Nut/Bolt Loose

Released 8/10/2016
Blu-Ray Movies Do Not Start After Play Icon Selected On Menu

Released 8/9/2016
Information for Fleet Vehicles - Ignition Key, Fob and Key Rings Configuration

Released 8/2/2016
Engineering Information - USB Receptacle Inoperative

Released 8/2/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 8/2/2016
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

Released 8/1/2016
Information on Diesel Exhaust Fluid (DEF)

Released 7/29/2016
Infotainment System Upgrade for Android Auto Feature

Released 7/28/2016
Engine Misfire, Ticking/Knocking Noise, No Compression due to Piston Damage, Malfunction Indicator Lamp (MIL) Illuminated

Released 7/22/2016
Service Update Bulletin - Water Leak in the Plenum/Cowl Area

Released 7/13/2016
Information On Ordering New Delphi Style Fuel Pump

Released 7/8/2016
Disabling Auto Door Locks

Released 6/30/2016
GPS Inoperative, Red Line Across GPS Indicator, or the Location is Stuck in Warren Michigan

Released 6/30/2016
Engineering Information - Intermittent HVAC Cooling Issues During Driving

Released 6/28/2016
Delayed Engagement After Sitting With Engine Off

Released 6/23/2016
Cluster DIC Display Dims Or Fades With High Temperature (Normal Operation)

Released 6/23/2016
Information on Vibration Analysis and Diagnostic

Released 6/22/2016
Filling the Cooling System, Diagnosing and Replacing Leaking Cylinder Head Gaskets on a 6.6 Duramax Diesel

Released 6/14/2016
Diagnostic Tip - Integrated Trailer Brake Control System

Released 6/13/2016
Engineering Information - Bang or Loud Noise with No Forward (Drive) or Reverse Ranges

Released 6/8/2016
Information on Replacement HMI Modules for Vehicles Built Without Apple CarPlay and Android Auto

Released 6/8/2016
Diagnostic Tip for Malfunction Indicator Light (MIL) Illuminated, DTC P0420 and P0430 Set

Released 6/8/2016
Check Trailer Wiring Message and/or Service Trailer Brake With DTC C1114

Released 6/7/2016
Buzz or Static Noise from Radio Audio Speakers, Android Auto Connection Issues, Intermittent Black Screen or Sirius XM Reverts to XM1 Channel Intermittently

Released 6/3/2016
Shake and/or Shudder During Light Throttle Acceleration Between 48 and 104 KM/H (30 and 65 MPH) at a Steady State

Released 5/27/2016
Emergency Vehicle Reduced Power

Released 5/12/2016
Engineering Information - Shake or Shudder on Light Throttle Acceleration or Steady State Cruise

Released 5/10/2016
Service Park Assist Message At Start Up With DTC U0159

Released 5/2/2016
Duramax Diesel Hard Start, No Start, DTCs P0087, P0088, P0191, P128E or Injection Pump Replacement

Released 4/29/2016
OnStar Diagnostic Alerts Sent When Vehicle is Being Serviced

Released 4/29/2016
Mobile Telephone Microphone Poor Performance

Released 4/28/2016
Unable To Perform An IPC USB Programming Event After Android Auto Upgrade Has Been Done

Released 4/18/2016
Customer Satisfaction - Tire Pressure Monitor Not Installed in Spare Tire

Released 4/15/2016
Service Update for Inventory Vehicles Only - Transmission to Engine Bolt Torque - Expires April 30, 2017

Released 4/14/2016
Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986 High Resistance)

Released 4/13/2016
Information on Tailgate (Endgate) Hinge Lubrication

Released 4/12/2016
Accessory Tonneau Cover Service Parts

Released 4/11/2016
Unable To Perform An IPC USB Programming Event After The Android Auto Upgrade Has Been Done

Released 4/11/2016
Tailgate Contacts Bed Floor When Closed

Released 4/11/2016
Spray-in Bed Liner General Information and Repair Procedures

Released 4/7/2016
Front Row Seat Back Appears To Lean Outward (Seat Cover Improperly Installed)

Released 4/5/2016
RKE / Passive Entry And Start / No Audio / SWC / Touch Screen / Display Blank/ Rear Wiper And Rear Power Windows Inoperative / Dead Battery / Service Tire Pressure System DTC B3101 B144C C0710 C0544 U0028 U0029 U0077 U0126 U0151 U0415 U1548 U1549 U154A

Released 3/24/2016
Click Rattle Or Squeak Noise From Dash Area

Released 3/11/2016
Accessory Tri-Fold Tonneau Cover Prevents Endgate/Tailgate From Closing

Released 3/10/2016
Diagnostic Tip - Outside Temperature Will Not Update

Released 3/3/2016
Tailgate Contacts Bed Floor When Closed

Released 3/2/2016
Radio Display Continuously Flashes On and Off After Starting Vehicle

Released 3/2/2016
Low Treble Audio From Front Door Speakers

Released 3/2/2016
5th Wheel Or Camper Wiring Harness Location

Released 2/15/2016
Diagnostic Aid: Vehicle Position Indicator Showing Incorrect Location After Making A Turn

Released 2/12/2016
Spray-in Bed Liner General Information and Repair Procedures

Released 2/11/2016
F/CMVSS Noncompliance - No Key in Reminder Chime and/or No Audio

Released 1/18/2016
Customer Satisfaction - Soft Park Pawl

Released 12/14/2015
Diagnostic Tip - Exhaust Fluid Low - Exhaust Fluid Empty - Exhaust Fluid Range and Service Exhaust Fluid Messages Difficult To Reset - Including Cold Weather Operation

Released 12/11/2015
Product Safety - SDM Stud Misalignment

Released 12/11/2015
Recovery Process from a Controller Reprogramming Interruption

Released 12/1/2015
Information on Inside Rear View Mirror and Camera Loose

Released 11/30/2015
Oil Pressure Gauge Fluctuation After Startup and Over 3700 RPM

Released 11/25/2015
Diagnostic Tip - Lane Keep Assist And Lane Departure Warning Functionality

Released 11/20/2015
Information on Inside Rear View Mirror Loose

Released 11/20/2015
TAC Part Restriction for US Dealers - Navigation Radio, Radio, Human Machine Interface, Media Player, Radio Display, and Radio Control/Integrated Center Stack

Released 11/12/2015
Reduced Power Steering Assist Engine Stall IPC / Radio / HVAC Goes Blank Various DTCs

Released 11/12/2015
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 11/9/2015
RKE / Passive Entry And Start / No Audio / SWC / Touch Screen Rear Wiper And Rear Power Windows Inoperative / Dead Battery / Service Tire Pressure System DTC B3101 B144C C0710 C0544 U0028 U0029 U0077 U0126 U0151 U0415 U1548 U1549 U154A

Released 11/9/2015
Radio HVAC IPC Blank Out When Operating A Snow Plow

Released 11/6/2015
Diagnostic Tips for Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 Set

Released 11/4/2015
Disabling Or Removing CNG (Compressed Natural Gas) Fuel Systems

Released 11/3/2015
Service Update for Inventory and Customer Vehicles - Door Pad without Mirror Switch - Expires with Base Warranty

Released 11/3/2015
Spray-in Bed Liner General Information and Repair Procedures

Released 11/22/2017
Unwanted Grade Braking, Low Power, and/or Transmission Busy Shifting / P057B, P057C, and/or P057D

Released 11/13/2017
Normal Mode Powertrain Grade Braking Feature

Released 9/25/2017
Diagnostic Tip - Service Trailer Brake Message with DTC C111B C1112 C1113 C1114

Released 6/14/2017
Trailer Brake Controller Harness - Information for Adding an Aftermarket Trailer Brake Controller

Released 6/8/2017
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 5/26/2017
Procedure for Installation of an Aftermarket Trailer Brake Controller Or In Lieu Of Factory Trailer Brake Controller

Released 5/16/2017
Brake Shudder While Towing Gooseneck and Fifth Wheel Trailers with Electric Brakes

Released 3/14/2017
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 1/31/2017
Brake Pedal Moves Or Self Applies At Full Turns

Released 1/26/2017
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 1/9/2017
Check Trailer Wiring Message and/or Service Trailer Brake with DTC C1114 (Check Trailer Ground and/or 7-way Connector)

Released 11/30/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 11/18/2016
Service Trailer Brake Message With DTCs C1112 C1113 C1114 C111B U1556 and/or U1505

Released 11/10/2016
Engineering Information - Check Trailer Message Displayed with No Trailer Connected

Released 10/17/2016
Engineering Information - Check Trailer Message Displayed with No Trailer Connected

Released 9/21/2016
Unwanted Grade Braking, Low Power, and/or Transmission Busy Shifting / P057B, P057C, and/or P057D

Released 9/13/2016
Adding Integrated Trailer Brake Controller RPO JL1

Released 9/13/2016
Service Update - Brake Apply Sensor Connector CPA Not Engaged

Released 8/30/2016
Diagnostic Tip - Service Trailer Brake Message with DTC C111B C1112 C1113 C1114

Released 8/10/2016
Product Safety - Brake Pedal Pivot Nut/Bolt Loose

Released 8/2/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 6/14/2016
Diagnostic Tip - Integrated Trailer Brake Control System

Released 5/11/2016
Brake Pedal Moves Or Self Applies At Full Turns

Released 3/24/2016
Product Safety - Brake Pedal Pivot Nut/Bolt Loose

Released 3/21/2016
Unwanted Grade Braking, Low Power, and/or Transmission Busy Shifting / P057B, P057C, and/or P057D

Released 1/19/2016
Diagnostic Tip - Service Trailer Brake Message With DTC U0415

Released 1/15/2016
Installation Of An Aftermarket Trailer Brake Controller In Lieu Of Factory Trailer Brake Controller

Released 11/30/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 8/2/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 6/22/2016
Filling the Cooling System, Diagnosing and Replacing Leaking Cylinder Head Gaskets on a 6.6 Duramax Diesel

Released 2/23/2016
Coolant Leak at Surge Tank or Radiator Surge Tank Cap Leak

Released 3/15/2018
No Crank / Start Then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / Rearview Camera Inop / DTC (Inspect Ignition 1 voltage)

Released 3/9/2018
Drivers Side Front Door Glass Does Not Move Up or Down and/or Inoperative or Jerky/Uneven Motion

Released 3/1/2018
Procedure for Installation of an Aftermarket Trailer Brake Controller Or In Lieu Of Factory Trailer Brake Controller

Released 2/28/2018
Red LED, No WiFi Operation, and/or Limited OnStar Module Functionality After OnStar Module Replacement for Another Condition

Released 2/21/2018
Product Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 2/21/2018
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 2/19/2018
eAssist (BAS3 HYBRID) Drive Motor Generator Battery Module (Powerpack) and Part Restriction

Released 2/13/2018
Engineering Information - Both Front Low Beam, High Beam, Day Time Running Lamps (DRL) and Turn Signals Inoperative

Released 2/2/2018
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 2/1/2018
Noncompliance Recall - No Key in Reminder Chime and/or No Audio

Released 1/31/2018
eAssist (BAS3 HYBRID) Starter Generator (MGU) Part Restriction

Released 12/7/2017
Disabling Auto Door Locks

Released 12/6/2017
Installation Of Electrical Aftermarket Accessories (Battery Ignition And Ground Connections)

Released 11/28/2017
Diagnostic Tip for 3.5 mm Audio Jack for USB Does Not Operate After Replacement of Receptacle for Audio Player and USB

Released 11/20/2017
Radio HVAC IPC Blank Out When Operating A Snow Plow

Released 11/17/2017
Memory Mirror Positions Lost and/or Reverse Tilt is Inoperative

Released 11/14/2017
Radio HVAC IPC Blank Out When Operating A Snow Plow

Released 11/7/2017
Diagnostic Tip - Memory Features For Driver 3 Or 4

Released 10/16/2017
Back Up Alarm Inoperative And Needs To Be Connected During PDI

Released 10/5/2017
Engineering Information - Both Front Low Beam, High Beam, Day Time Running Lamps (DRL) and Turn Signals Inoperative

Released 10/2/2017
Radio Back Lighting Stays On After Key Off / Dead Battery / TCCM Repeat Failure

Released 9/28/2017
Intermittent Pop Noise From The Speakers Followed By A Reset Of The Radio and Clock

Released 9/25/2017
Diagnostic Tip - Service Trailer Brake Message with DTC C111B C1112 C1113 C1114

Released 8/11/2017
Tips for No Start Condition to Prevent Unnecessary HV Battery Pack Replacement

Released 8/2/2017
Diagnostic Tip: Loss of HMI Communication While Viewing HMI Data List with GDS2 Scan Tool

Released 7/28/2017
Product Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 7/25/2017
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

Released 7/25/2017
Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application

Released 7/11/2017
Hood Ajar Message

Released 7/11/2017
Remote Start Inoperative / Power Lift-Gate Inoperative / Start And Stall / No Start / Blower Motor Stays On With Ignition Off / SES MIL / DTC P2537 P129D

Released 7/10/2017
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 6/28/2017
Poor, Weak and/or Lazy Seat Belt Retraction on Driver and Passenger Seat Belts

Released 6/27/2017
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 6/14/2017
Trailer Brake Controller Harness - Information for Adding an Aftermarket Trailer Brake Controller

Released 6/12/2017
Diagnostic Tip Malfunction Indicator Lamp (MIL) Illuminated - DTC P171D Set

Released 6/8/2017
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 5/26/2017
Service Front Camera / Service Lane Departure Warning / Service Lane Keep Assist Message with DTC B1008 SYM4B / IntelliBeam Headlight / Windshield Wind Rush Noise

Released 5/18/2017
eAssist (BAS3 HYBRID) Drive Motor Generator Battery Module (Powerpack) and Part Restriction

Released 5/16/2017
Diagnostic Tip - Lane Keep Assist And Lane Departure Warning Functionality

Released 5/11/2017
Speedometer Indicates Lower Mph/Speeds Than Vehicle Is Actually Traveling (e.g. 5 mph when traveling 50 mph)

Released 5/2/2017
eAssist (BAS3 HYBRID) Drive Motor Generator Battery Module (Powerpack) and Part Restriction

Released 4/21/2017
Information On Hill Descent Control (HDC) Function

Released 4/14/2017
Steering Jerks Or Kicks Back / Reduced Power Steering Assist / Engine Stall / No Start / Service Stabilitrak / IPC / Radio / HVAC Goes Blank Various DTCs

Released 4/11/2017
Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986 High Resistance)

Released 3/28/2017
(HYBRID) No Start, EV, BAS3 eAssist Red Battery Light/Charging System Light On, Malfunction Indicator Lamp (MIL) Illuminated - DTC P1F17 Set

Released 3/15/2017
Speedometer Needle Accuracy Information

Released 3/15/2017
Service Park Assist Message At Start Up With DTC U0159 / False Alerts / Park Assist Off Message

Released 3/14/2017
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 2/28/2017
Diagnostic Tip - SIR Lamp On

Released 2/13/2017
Engineering Information - Both Front Low Beam, High Beam, Day Time Running Lamps (DRL) and Turn Signals Inoperative

Released 2/1/2017
Diagnostic Tip - Content Theft Deterrent Inoperative

Released 1/26/2017
Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114

Released 1/26/2017
Customer Satisfaction Program - Service Part - Seat Adjuster End Stops Not Installed

Released 1/25/2017
Cluster DIC Display Dims Or Fades With High Temperature (Normal Operation)

Released 1/11/2017
Low Volt Gauge Reading After Cold Start

Released 1/9/2017
Check Trailer Wiring Message and/or Service Trailer Brake with DTC C1114 (Check Trailer Ground and/or 7-way Connector)

Released 1/4/2017
Installation Of Upfitter Auxiliary Switches (RPO 9L7)

Released 1/4/2017
TAC Part Restriction for US Dealers - Navigation Radio, Radio, Human Machine Interface, Media Player, Radio Display, and Radio Control/Integrated Center Stack

Released 12/21/2016
Click Rattle or Squeak Noise from Dash Area

Released 12/21/2016
Service Park Assist Message at Start Up with DTC U0159 and/or False Alerts

Released 12/12/2016
No Crank / Start Then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / Rearview Camera Inop / DTC (Inspect Ignition 1 voltage)

Released 12/12/2016
CHMSL Wiring For Aftermarket Bed Cap Topper

Released 12/1/2016
Installation Of Electrical Aftermarket Accessories (Battery Ignition And Ground Connections)

Released 12/1/2016
Headlamps Inoperative After Switching To Snow Plow Lights (GM Upfitter 116)

Released 11/30/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 11/30/2016
RKE / Passive Entry And Start / No Audio / SWC / Touch Screen / Display Blank/ Rear Wiper And Rear Power Windows Inoperative / Dead Battery / Service Tire Pressure System / SES MIL DTC B3101 B144C C0710 C0544 P0106 P0107 P2122 P2123 P2127 P2128 P2138 U002

Released 11/30/2016
Disabling Auto Door Locks

Released 11/29/2016
Lane Departure/Lane Keep Assist, Forward Collision Alert/Front Automatic Braking and/or Adaptive Cruise Control is Inoperative, Weak or Dead Battery, Battery Low Start Vehicle Message Displayed

Released 11/10/2016
Engineering Information - Check Trailer Message Displayed with No Trailer Connected

Released 11/7/2016
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

Released 11/2/2016
Customer Satisfaction Program - Vehicles with Key Codes Improperly Handled by Third Party

Released 11/1/2016
No Crank / No Start

Released 10/17/2016
Engineering Information - Check Trailer Message Displayed with No Trailer Connected

Released 10/14/2016
eAssist (BAS3 HYBRID) Starter Generator (MGU) Part Restriction

Released 10/14/2016
eAssist (BAS3 HYBRID) Generator Control Module (GCM) Part Restriction

Released 10/14/2016
eAssist (BAS3 HYBRID) Drive Motor Generator Battery Module (Powerpack) and Part Restriction

Released 10/10/2016
Diagnostic Tip - Outside Temperature Will Not Update Or Inaccurate

Released 9/20/2016
Engineering Information - Both Front Low Beam, High Beam, Day Time Running Lamps (DRL) and Turn Signals Inoperative

Released 9/19/2016
Speedometer Indicates Lower Mph/Speeds Than Vehicle Is Actually Traveling (e.g. 5 mph when traveling 50 mph)

Released 9/15/2016
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 9/13/2016
Adding Integrated Trailer Brake Controller RPO JL1

Released 9/9/2016
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 8/30/2016
Radio Back Lighting Stays On After Key Off / Dead Battery / TCCM Repeat Failure

Released 8/30/2016
Unable To Complete SPS IMMO Immobilizer Theft Learn

Released 8/30/2016
Diagnostic Tip - Service Trailer Brake Message with DTC C111B C1112 C1113 C1114

Released 8/17/2016
Reduced Power Steering Assist Engine Stall IPC / Radio / HVAC Goes Blank Various DTCs

Released 8/17/2016
No Crank / Start Then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / Rearview Camera Inop / DTC (Inspect Ignition 1 voltage)

Released 8/11/2016
Back Up Alarm Inoperative And Needs To Be Connected During PDI

Released 8/3/2016
Blu-ray/CD/DVD player inoperative

Released 8/2/2016
Engineering Information - USB Receptacle Inoperative

Released 8/2/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 6/23/2016
Cluster DIC Display Dims Or Fades With High Temperature (Normal Operation)

Released 6/15/2016
Fuel Gauge Displays Empty / Low Fuel Light On / DTC P2636

Released 5/17/2016
Engineering Information - USB Receptacle Inoperative

Released 5/6/2016
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

Released 4/28/2016
Unable To Perform An IPC USB Programming Event After Android Auto Upgrade Has Been Done

Released 4/14/2016
Service ABS / TCS / Power Steering and/or Suspension Message DTC U0077 U0121 U0126 U0131 U0139 U0151 U0401 U0415 U0428 (Circuit 5986 High Resistance)

Released 4/11/2016
Radio HVAC IPC Blank Out When Operating A Snow Plow

Released 4/5/2016
RKE / Passive Entry And Start / No Audio / SWC / Touch Screen / Display Blank/ Rear Wiper And Rear Power Windows Inoperative / Dead Battery / Service Tire Pressure System DTC B3101 B144C C0710 C0544 U0028 U0029 U0077 U0126 U0151 U0415 U1548 U1549 U154A

Released 4/4/2016
F/CMVSS Noncompliance - No Key In Reminder Chime and/or No Audio

Released 3/24/2016
Click Rattle Or Squeak Noise From Dash Area

Released 3/10/2016
Diagnostic Tip - Outside Temperature Will Not Update

Released 3/3/2016
Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing (Follow Procedure as Outlined Below)

Released 2/28/2016
Service Update for Inventory and Customer Vehicles - Underhood Electrical Center (UEC) Missing Fuses and Relays - Expires with Base Warranty

Released 2/22/2016
Service Update for Inventory Vehicles Only - SDM Stud Misalignment - Expires with Base Warranty

Released 2/11/2016
F/CMVSS Noncompliance - No Key in Reminder Chime and/or No Audio

Released 1/13/2016
Advanced Diagnostics - Proactive Alert

Released 1/13/2016
Radio HVAC IPC Blank Out When Operating A Snow Plow

Released 12/11/2015
Product Safety - SDM Stud Misalignment

Released 11/12/2015
Reduced Power Steering Assist Engine Stall IPC / Radio / HVAC Goes Blank Various DTCs

Released 11/12/2015
Information on Available BCM Calibrations to Restore Bulb Outage Detection on Vehicles Produced by a Second Stage Manufacturer (Upfitter), Turn Signals Flash Fast after Factory Box Removed

Released 11/9/2015
RKE / Passive Entry And Start / No Audio / SWC / Touch Screen Rear Wiper And Rear Power Windows Inoperative / Dead Battery / Service Tire Pressure System DTC B3101 B144C C0710 C0544 U0028 U0029 U0077 U0126 U0151 U0415 U1548 U1549 U154A

Released 8/29/2017
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 8/16/2017
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

Released 5/25/2017
Black Smoke On Cold Start

Released 5/12/2017
Exhaust Smell in Cabin, Reduced Engine Power, Whistling and/or Hissing Type Noise Heard Underhood During Acceleration, or Service Engine Soon (SES) Light On, DTCs P0299 and/or P2263 Set

Released 1/12/2017
Catalytic Converter Break-In Information to Prevent DTCs P0420 And/Or P0430

Released 12/23/2016
Rough Idle and/or Lack of Power on Acceleration after Cold Start - Possible Characteristic

Released 12/21/2016
Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set

Released 12/19/2016
Information on Diesel Exhaust Fluid (DEF) Filling Instructions, Frozen Tank Status and General Information

Released 12/19/2016
Information on Exhaust Fluid Range, Exhaust Fluid Quality Poor, Service Exhaust Fluid System or Service Emission System Driver Information Center Messages

Released 12/12/2016
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 10/28/2016
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

Released 9/27/2016
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

Released 8/15/2016
Low Oil Pressure Message/Light - Inspect Valve Lifter Oil Filter

Released 8/1/2016
Information on Diesel Exhaust Fluid (DEF)

Released 6/28/2016
A New Way to Look at NOx Sensor Readings and Exhaust Temperature During a DPF Regeneration or a Reductant Fluid Quality Test

Released 5/27/2016
Emergency Vehicle Reduced Power

Released 4/27/2016
Black Smoke On Cold Start

Released 4/1/2016
2016 6.6L Duramax Engine Control Module Parts Restriction Has Ended

Released 3/4/2016
Program ECM Error E4491/E4423

Released 3/4/2016
Engine Runs With Intermittent Crank No Start With P0011 Or P00C6 May be Current Or Set In History

Released 3/3/2016
Diagnostic Tip - Exhaust Fluid Quality Poor Message Difficult To Clear

Released 2/28/2016
Service Update for Inventory and Customer Vehicles - Exhaust Temperature Sensor Not Fully Tightened - Expires with Base Warranty

Released 2/2/2016
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 1/29/2016
DTCs P0088 And P128E, After Fuel System Or Engine Repair

Released 12/15/2015
2016 6.6L Duramax Engine Control Module Parts Restriction

Released 12/14/2015
Diagnostic Tip - Exhaust Fluid Low - Exhaust Fluid Empty - Exhaust Fluid Range and Service Exhaust Fluid Messages Difficult To Reset - Including Cold Weather Operation

Released 4/27/2016
Black Smoke On Cold Start

Released 3/23/2016
Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set

Released 2/26/2016
Black Smoke On Cold Start

Released 2/8/2016
Diagnostic Tip - Diesel Exhaust Fluid System Contamination

Released 7/17/2019
Safety Recall - Chassis Cab Truck Fuel Leak

Released 5/17/2019
Removal / Deletion of Rear Fuel Tank

Released 3/21/2018
Fuel Gauge Displays Empty / Low Fuel Light on / DTC P2636

Released 3/15/2018
No Crank / Start Then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / Rearview Camera Inop / DTC (Inspect Ignition 1 voltage)

Released 2/8/2018
Ticking Rattle Or Buzz Noise Heard The Best In The Passenger Compartment

Released 11/13/2017
Malfunction Indicator Lamp Illuminated (MIL) - DTC P2635 and/or P018B Set In High Ambient Temperatures

Released 10/16/2017
Ticking Rattle Or Buzz Noise Heard The Best In The Passenger Compartment

Released 8/21/2017
Engineering Information - Malfunction Indicator Lamp Illuminated with DTC P154A Set

Released 8/16/2017
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

Released 7/26/2017
Information on Replacement Key Cutting

Released 7/25/2017
Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application

Released 7/21/2017
Fuel Gauge Displays Empty / Low Fuel Light On / DTC P2636

Released 7/18/2017
Stalling - Hesitation - Lack Of Performance P018B And/Or P2635 Setting In High Ambient Temperatures

Released 7/12/2017
Diagnostic Information for DTC P2635 with P018B

Released 6/20/2017
Fuel Leak, Fuel Smell/Odor, Rubbing/Grinding/Clanking/Hitting/Banging/Popping/Thumping Noise from Under Vehicle, Fuel Gauge Reading Inaccurate

Released 6/13/2017
Vehicle Will Not Stay in CNG Mode - DTC P2199 Set

Released 6/9/2017
Engineering Information - Malfunction Indicator Lamp (MIL) Illuminated and/or Engine Misfire Due to Loose Spark Plug Wire

Released 5/25/2017
Black Smoke On Cold Start

Released 4/5/2017
Extended Crank Cold With DI (Direct Injected) Engines

Released 3/20/2017
Ticking Rattle Or Buzz Noise Heard The Best In The Passenger Compartment

Released 2/20/2017
Customer Satisfaction Program - Vehicles with Key Codes Improperly Handled by Third Party

Released 2/1/2017
Normal Characteristic - Bump Feel Or Clunk Noise After A Stop

Released 1/27/2017
Fuel Gauge Displays Empty / Low Fuel Light On / DTC P2636

Released 1/12/2017
Normal Characteristic - Hard or Unable to Rotate Ignition Key from the Off Position

Released 12/12/2016
No Crank / Start Then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / Rearview Camera Inop / DTC (Inspect Ignition 1 voltage)

Released 12/12/2016
Fuel Gauge Displays Empty / Low Fuel Light On / DTC P2636

Released 11/30/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 11/23/2016
Engineering Information - Vehicle Crank with No Start or Stalling with DTC P0011 and/or P00C6 Set

Released 11/14/2016
Engineering Information - Malfunction Indicator Lamp (MIL) Illuminated and/or Engine Misfire Due to Loose Spark Plug Wire

Released 11/3/2016
Information on Diesel Fuel Additives

Released 11/2/2016
Customer Satisfaction Program - Vehicles with Key Codes Improperly Handled by Third Party

Released 10/5/2016
Information for Fleet Vehicles - Ignition Key, Fob and Key Rings Configuration

Released 9/27/2016
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

Released 9/19/2016
Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Parts Center

Released 8/17/2016
No Crank / Start Then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / Rearview Camera Inop / DTC (Inspect Ignition 1 voltage)

Released 8/9/2016
Information for Fleet Vehicles - Ignition Key, Fob and Key Rings Configuration

Released 8/5/2016
Code P2199 Setting on Bi-Fuel Trucks in CNG Mode

Released 8/2/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 7/13/2016
Information On Ordering New Delphi Style Fuel Pump

Released 7/12/2016
Diagnostic Tip - 6.6L Duramax Fuel System Contamination

Released 6/15/2016
Fuel Gauge Displays Empty / Low Fuel Light On / DTC P2636

Released 6/8/2016
Diagnostic Tip for Malfunction Indicator Light (MIL) Illuminated, DTC P0420 and P0430 Set

Released 5/2/2016
Duramax Diesel Hard Start, No Start, DTCs P0087, P0088, P0191, P128E or Injection Pump Replacement

Released 4/21/2016
Normal Characteristic - Bump Feel Or Clunk Noise After A Stop

Released 4/1/2016
Information on Changes in Exhaust Tone for Active Fuel Management Engines When in Three or Four Cylinder Mode

Released 3/29/2016
Alternative Gaseous Fuel Systems on BI-Fuel, CNG and LPG Equipped Vehicles

Released 3/21/2016
No Crank / Start Then Immediate Stall / SES MIL / Service 4WD / Relay Clicking / DTC (Inspect Ignition 1 voltage)

Released 3/9/2016
Engineering Information - Vehicle Crank with No Start or Stalling with DTC P0011 and/or P00C6 Set

Released 2/26/2016
Black Smoke On Cold Start

Released 2/11/2016
F/CMVSS Noncompliance - No Key in Reminder Chime and/or No Audio

Released 1/27/2016
Alternative Gaseous Fuel Systems on BI-Fuel, CNG and LPG Equipped Vehicles

Released 1/22/2016
Information For Servicing Fuel Injector Oil Ring Seal Replacement For Fuel Odor And/or Extended Cranking Condition

Released 1/13/2016
Advanced Diagnostics - Proactive Alert

Released 11/25/2015
Normal Characteristic - Bump Feel Or Clunk Noise After A Stop

Released 11/4/2015
Disabling Or Removing CNG (Compressed Natural Gas) Fuel Systems

Released 10/2/2017
Diagnostic Tip - Outside Temperature Will Not Update / Inaccurate / Poor Hvac Performance

Released 7/25/2017
Warm Air Exhausting from Driver and/or Passenger Front Seat Back into 2nd Row Seating Area Causing Occupant Discomfort

Released 4/7/2017
Engineering Information - Rear Defogger Grid Inoperative and/or Will Not Defog Rear Window Properly

Released 11/30/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 11/30/2016
Reduced HVAC Air Flow From Passenger Side Far Right Dash Vent

Released 10/10/2016
Diagnostic Tip - Outside Temperature Will Not Update Or Inaccurate

Released 9/21/2016
Reduced HVAC Air Flow From Passenger Side Far Right Dash Vent

Released 9/15/2016
Reduced HVAC Air Flow From Passenger Side Far Right Dash Vent

Released 8/2/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 6/30/2016
Engineering Information - Intermittent HVAC Cooling Issues During Driving

Released 3/18/2016
Normal Characteristic - Unwanted A/C Compressor Operation After Being Turned Off

Released 3/15/2016
Engineering Information - Intermittent HVAC Cooling Issues During Driving

Released 11/12/2015
Reduced Power Steering Assist Engine Stall IPC / Radio / HVAC Goes Blank Various DTCs

Released 3/12/2018
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 3/6/2018
Information on Vibration Analysis and Diagnostic

Released 3/5/2018
Elevated Idle/ PTO/ High Idle Are All Different Options

Released 2/20/2018
P06DD Setting With Original Oil pump Or A Replacement oil Pump

Released 2/2/2018
Do Not Swap Modules in Vehicles With Global Electrical Systems

Released 1/5/2018
Information on Vibration Analysis and Diagnostic

Released 12/12/2017
Engine Misfire/Tick Noise. Malfunction Indicator Lamp (MIL) Illuminated with DTC P0300 Set

Released 12/11/2017
Shutter and/or Rough Auto Start Operation While Creeping Forward During Start/Stop Conditions, Malfunction Indicator Lamp (MIL) Illuminated - DTC P171D Set

Released 11/29/2017
Shake Or Shudder On Acceleration

Released 10/20/2017
PQC 2015-2018 8L45 8L90 Automatic Transmission Park Actuator Rod Restriction

Released 9/26/2017
Gen5 Oil Consumption

Released 8/31/2017
Information on CJ-4 or CK-4 Diesel Engine Oil

Released 8/29/2017
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 8/16/2017
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

Released 8/10/2017
Stalling Shudder and/or Hard shifting Into 1st Gear Or Reverse Vibration On launch (With Excessive Crankshaft End Play)

Released 8/3/2017
Concern Of An Engine Thermostat Tick Noise And/Or Running Hot

Released 7/20/2017
Stalling Shudder And/or Hard shifting Into 1st Gear Or Reverse Vibration On launch (With Excessive Crankshaft End Play)

Released 7/14/2017
Click or Tick Noise on 3-4 Shift

Released 7/10/2017
Gen5 Oil Consumption

Released 6/19/2017
Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In

Released 6/19/2017
Diagnostic Tips for Engine Vibration

Released 6/15/2017
Coolant Loss And/Or Coolant Odor

Released 6/12/2017
Diagnostic Tip Malfunction Indicator Lamp (MIL) Illuminated - DTC P171D Set

Released 6/8/2017
Rough Idle in Drive

Released 5/19/2017
Gen5 Oil Consumption

Released 5/18/2017
SES Lamp P050D P0300 Setting On A Cold Start

Released 5/11/2017
Speedometer Indicates Lower Mph/Speeds Than Vehicle Is Actually Traveling (e.g. 5 mph when traveling 50 mph)

Released 5/10/2017
Slip Or Shudder During A Launch In First Second Third Or Fourth Gears Delayed Engagement Into Drive Clunk Or Bump During The 1-2 Shift

Released 5/5/2017
White, Milky or Cloudy Appearance of Front Differential Fluid

Released 3/24/2017
Normal Characteristic - Sag Or Hesitation On Acceleration

Released 3/16/2017
Harsh 1-2, Harsh 3-1 Decel Downshift, Harsh Downshifts Under Heavy Throttle

Released 3/15/2017
Information on Vibration Analysis and Diagnostic

Released 3/9/2017
Engineering Information - Check Engine Light, Delayed Shifts and/or Transmission Stuck in Gear with DTC P0751, P0752, P0756, P0757, P0761 or P0762 Set

Released 2/22/2017
Faint High Pitched Whine Noise In Auto 4 Wheel Drive

Released 2/14/2017
Diagnostic tip for 4 Wheel Drive Inoperative with no DTCs.

Released 1/27/2017
PQC Restriction Allison LCT1000 Transmission Valve Body RPO MW7 Has Ended

Released 1/20/2017
Harsh 1-2, Harsh 3-1 Decel Downshift, Harsh Downshifts Under Heavy Throttle, AFM Transition and Step In Clunk During Downshift

Released 1/11/2017
Low Volt Gauge Reading After Cold Start

Released 12/23/2016
Rough Idle and/or Lack of Power on Acceleration after Cold Start - Possible Characteristic

Released 12/23/2016
SES Light, Misfire, DTC P0300, and/or a Chirp, Squeak, Squeal, Or Tick Noise - Potential Valvetrain Concern

Released 12/21/2016
Shake or Shudder on Acceleration

Released 12/20/2016
Information On Adding A Snowplow To A Light Duty Pick Up and/Or SUV

Released 12/19/2016
Information on Diesel Engine Ticking Noise

Released 12/19/2016
New Tool Availability - EN-48974 - EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber

Released 12/16/2016
PQC 2016 Allison A1000 Automatic Transmission Assembly Restriction

Released 12/12/2016
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 12/6/2016
Delayed Engagement After Sitting With Engine Off - Clutch Slow to Fill

Released 11/30/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 11/23/2016
Engineering Information - Vehicle Crank with No Start or Stalling with DTC P0011 and/or P00C6 Set

Released 11/16/2016
Shake Or Shudder On Acceleration

Released 11/16/2016
Information on Higher Than Expected Oil Consumption

Released 11/16/2016
2-3 Upshift Slip or Flare

Released 11/15/2016
8L45 8L90 Diagnostic Tips for Harsh Shifts

Released 11/8/2016
8L45 8L90 Diagnostic Tips for Harsh Shifts

Released 10/20/2016
SES MIL / Service Suspension System / ABS MIL / No Crank / Misfire / A/C Inoperative (Inspect Engine Harness Chaffing At Vacuum Pump Pulley)

Released 10/19/2016
Shake Or Shudder On Acceleration Excessive Engine RPM Fluctuation Between 30 And 65 MPH

Released 10/13/2016
Engine Misfire/Tick Noise. Malfunction Indicator Lamp (MIL) Illuminated with DTC P0300 Set

Released 10/3/2016
2010 through 2016 6.6L Duramax Diesel Engine (RPO Codes LGH and LML) Part Number 12638502 PQC Restriction Has Ended

Released 10/3/2016
SES Lamp Setting A P0106 And/or P0506

Released 9/27/2016
Diagnostic tips for SES light with DTCs P2635, U0074 and/or U18A2 set

Released 9/23/2016
2010 through 2016 6.6L Duramax Diesel Engine (RPO Codes LGH and LML) Part Number 12638502 PQC Restriction Has Ended

Released 9/19/2016
Speedometer Indicates Lower Mph/Speeds Than Vehicle Is Actually Traveling (e.g. 5 mph when traveling 50 mph)

Released 9/6/2016
Engineering Information - Service 4WD Message Displayed and DTC C0398 Set in Transfer Case Module On Vehicles Built After March 15, 2016

Released 9/1/2016
Engineering Information - Check Engine Light Illuminated and DTC P0751 Set on Vehicles Under 5,000 Miles

Released 8/29/2016
Service 4wd Message With DTC C0392 or C0396 Stored In TCCM

Released 8/15/2016
Low Oil Pressure Message/Light - Inspect Valve Lifter Oil Filter

Released 8/15/2016
Shake Or Shudder On Acceleration Excessive Engine RPM Fluctuation Between 30 And 65 MPH

Released 8/5/2016
Gen5 Oil Consumption

Released 8/2/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 7/28/2016
Engine Misfire, Ticking/Knocking Noise, No Compression due to Piston Damage, Malfunction Indicator Lamp (MIL) Illuminated

Released 7/21/2016
Engineering Information - Check Engine Light, Delayed Shifts and/or Transmission Stuck in Gear with DTC P0751, P0752, P0756, P0757, P0761 or P0762 Set

Released 6/28/2016
Delayed Engagement After Sitting With Engine Off

Released 6/28/2016
Diagnostic Tip for Harsh Shifts After Mileage Accumulation Without Previous Transmission Repairs and/or Calibration Updates

Released 6/23/2016
Information on Vibration Analysis and Diagnostic

Released 6/22/2016
Filling the Cooling System, Diagnosing and Replacing Leaking Cylinder Head Gaskets on a 6.6 Duramax Diesel

Released 6/13/2016
Code P06DD No Or Low Oil Pressure

Released 6/13/2016
Engineering Information - Bang or Loud Noise with No Forward (Drive) or Reverse Ranges

Released 6/10/2016
PQC 2016 Allison A1000 Automatic Transmission Assembly Restriction

Released 6/10/2016
PQC 2016 Allison A1000 Automatic Transmission Assembly Restriction

Released 6/7/2016
DTC P0777, Firm 3–2 Downshifts (Reprogram TCM)

Released 6/3/2016
Shake Or Shudder On Acceleration Excessive Engine RPM Fluctuation Between 30 And 65 MPH

Released 6/3/2016
Shake and/or Shudder During Light Throttle Acceleration Between 48 and 104 KM/H (30 and 65 MPH) at a Steady State

Released 5/18/2016
Engine Runs Rough With Knock Noise and/or Backfire Pop Sound Coming From Air Filter

Released 5/12/2016
Engineering Information - Shake or Shudder on Light Throttle Acceleration or Steady State Cruise

Released 5/4/2016
Diagnostic Information For DTC P0777

Released 5/2/2016
Engineering Information-Service - 4WD Message Displayed and DTC C0398 Set in Transfer Case Module On Vehicles Built After March 15, 2016

Released 4/27/2016
No Reverse, No Second After Upper Valve Body Replacement

Released 4/27/2016
SES Light P0521 P06DD And Low Oil Pressure

Released 4/27/2016
Service Update for Inventory and Customer Vehicles - Transmission Single Clutch Surface Finish Out of Specification - Expires with Base Warranty

Released 4/27/2016
Engine Misfire/Tick Noise, Malfunction Indicator Lamp (MIL) On, DTC P0300 Set

Released 4/22/2016
Crank No Start - Inspect for Sheared Cam Pin

Released 4/15/2016
Service Update for Inventory Vehicles Only - Transmission to Engine Bolt Torque - Expires April 30, 2017

Released 4/5/2016
Engine Knock on Cold Start

Released 4/5/2016
Engine Misfire/Tick Noise, Malfunction Indicator Lamp (MIL) On, DTC P0300 Set

Released 4/1/2016
2016 6.6L Duramax Engine Control Module Parts Restriction Has Ended

Released 3/30/2016
Service 4wd Message C0398

Released 3/8/2016
Shake Or Shudder On Acceleration Excessive Engine RPM Fluctuation Between 30 And 65 MPH

Released 3/4/2016
Program ECM Error E4491/E4423

Released 3/4/2016
Engine Runs With Intermittent Crank No Start With P0011 Or P00C6 May be Current Or Set In History

Released 2/23/2016
Stalling Shudder And/or Hard shifting Into 1st Gear Or Reverse Vibration On launch (With Excessive Crankshaft End Play)

Released 2/22/2016
Shake Or Shudder On Acceleration Excessive Engine RPM Fluctuation Between 30 And 65 MPH

Released 2/18/2016
Allison LCT1000 Check Engine Light Stuck In One Gear Flashing PRNDL P0751 P0752 P0756 P0757 P0761 P0762 P0842 P0843 P0847 P0848 P0872 P0873 P0877 or P0878 May Be Set

Released 2/17/2016
Whine Noise Operating In 4wd

Released 2/15/2016
PQC Restriction Allison LCT1000 Transmission Valve Body RPO MW7

Released 2/15/2016
Engine Runs With Intermittent Crank No Start With P0011 Or P00C6 May be Current Or Set In History

Released 2/12/2016
SI Diagnostics Determines the Engine Repair requires Crankshaft Replacement

Released 2/12/2016
Engineering Information - Bang or Loud Noise with No Forward (Drive) or Reverse Ranges

Released 2/11/2016
PQC Restriction Allison LCT1000 Transmission Valve Body RPO MW7

Released 2/11/2016
Engineering Information - Shake or Shudder on Light Throttle Acceleration or Steady State Cruise

Released 2/8/2016
Faint High Pitched Whine Noise In Auto 4 Wheel Drive

Released 2/4/2016
Engineering Information - Bang or Loud Noise with No Forward (Drive) or Reverse Ranges

Released 2/2/2016
Duramax Intermittent High Idle Or Elevated Idle Descriptions

Released 2/2/2016
Diagnostic Tip for No Fourth, Fifth and Sixth Gears and/or Malfunction indicator Lamp Illuminated with DTC P0796

Released 1/22/2016
Service 4wd Message C0398

Released 1/20/2016
Shake Or Shudder On Acceleration Excessive Engine RPM Fluctuation

Released 1/18/2016
Customer Satisfaction - Soft Park Pawl

Released 1/13/2016
Advanced Diagnostics - Proactive Alert

Released 1/12/2016
Transmission Noise On Engine Start-Up

Released 1/11/2016
Clearing C0398 from Transfer Case Control Module

Released 12/15/2015
Supplement To Service Information For Duramax Diesel Head Gasket Replacement

Released 12/15/2015
2016 6.6L Duramax Engine Control Module Parts Restriction

Released 12/14/2015
Engineering Information - Service 4WD Message Displayed and DTC C0398

Released 12/11/2015
Recovery Process from a Controller Reprogramming Interruption

Released 11/30/2015
Oil Pressure Gauge Fluctuation After Startup and Over 3700 RPM

Released 11/6/2015
Diagnostic Tips for Reduced Acceleration at Low Speed and/or Transmission Slipping from a Launch, DTC P0751 Set

Released 2/21/2018
Product Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 2/21/2018
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 2/1/2018
Noncompliance Recall - No Key in Reminder Chime and/or No Audio

Released 9/28/2017
Diagnostic Tip: OnStar Vehicles with B101D and Symptom Codes

Released 7/28/2017
Product Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 7/10/2017
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 2/20/2017
Customer Satisfaction Program - Vehicles with Key Codes Improperly Handled by Third Party

Released 11/18/2016
Safety Recall - Accelerator Pedal Entrapment

Released 11/2/2016
Customer Satisfaction Program - Vehicles with Key Codes Improperly Handled by Third Party

Released 10/3/2016
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 9/15/2016
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 9/9/2016
Safety Recall - Frontal Airbag and Pretensioner Non Deploy

Released 8/10/2016
Product Safety - Brake Pedal Pivot Nut/Bolt Loose

Released 5/27/2016
Emergency Vehicle Reduced Power

Released 5/23/2016
Product Safety - Front Upper Control Arm Separation

Released 5/4/2016
Product Safety - Front Upper Control Arm Separation

Released 4/27/2016
Service Update for Inventory and Customer Vehicles - Transmission Single Clutch Surface Finish Out of Specification - Expires with Base Warranty

Released 4/18/2016
Customer Satisfaction - Tire Pressure Monitor Not Installed in Spare Tire

Released 4/4/2016
F/CMVSS Noncompliance - No Key In Reminder Chime and/or No Audio

Released 3/24/2016
Product Safety - Brake Pedal Pivot Nut/Bolt Loose

Released 2/11/2016
F/CMVSS Noncompliance - No Key in Reminder Chime and/or No Audio

Released 1/18/2016
Customer Satisfaction - Soft Park Pawl

Released 12/11/2015
Product Safety - SDM Stud Misalignment

Released 10/14/2019
Normal Characteristic - Hydraulic Rush Noise from Power Steering Gear

Released 8/29/2019
Revised Wheel Balancer Mounting Instructions (Heavy Duty Models Only)

Released 2/25/2019
Vibration at Highway Speeds

Released 3/6/2018
Information on Vibration Analysis and Diagnostic

Released 2/9/2018
Diagnostic Tip - Rattle Squeak Clunk Thump Bump Noise From Front Suspension

Released 2/9/2018
Diagnostic Tip - Front Shock Terminal Removal

Released 1/5/2018
Information on Vibration Analysis and Diagnostic

Released 12/11/2017
Engineering Information - Steering Jerks, Whips or Kicks Back

Released 12/8/2017
Clunking Noise from Rear of Vehicle (Retorque Leaf Spring Bolts)

Released 12/8/2017
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 11/30/2017
Engineering Information -- Service Power Steering Message Displayed and/or Power Steering Fluid Leak

Released 11/27/2017
Creak Click Pop Crack Type Noise From Front Suspension/Frame Area While Making Turns

Released 11/21/2017
Tire Sidewall Irregularities

Released 11/9/2017
Compatibility of K2xx 22” Accessory Wheels and Tires Through GM Accessories -- Use of Altered Vehicle Certification Label

Released 9/7/2017
Engineering Information - Steering Jerks, Whips or Kicks Back

Released 8/31/2017
Engineering Information --Service Power Steering Message Displayed and/or Power Steering Fluid Leak

Released 7/25/2017
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 6/9/2017
Diagnostic Information to Determine if the Steering Gear OR Motor Kit Needs to be Replaced

Released 6/8/2017
Chrome Center Cap Coming Off Or Missing On Chrome Or Polished Aluminum Wheels

Released 6/8/2017
Steering Feels Loose / Excessive Lash / Fluid Leak At Lash Adjuster

Released 6/1/2017
Tread Chipping and/or Chunking on Bridgestone Dueler H/T 684 II Tires

Released 5/9/2017
Various Vehicle Handling Concerns Suspension Noise Or Damaged Suspension Components Due To Vehicle Modifications

Released 5/1/2017
Revised Wheel Balancer Mounting Instructions (Heavy Duty Models Only)

Released 3/15/2017
Information on Vibration Analysis and Diagnostic

Released 3/7/2017
Steering Feels Loose / Excessive Lash / Fluid Leak At Lash Adjuster

Released 2/1/2017
Diagnostic Tip - Front Shock Terminal Removal

Released 2/1/2017
Diagnostic Tip - Rattle Squeak Clunk Thump Bump Noise From Front Suspension

Released 1/31/2017
Normal Characteristic - Hydraulic Rush Noise from Power Steering Gear

Released 1/5/2017
Front Suspension Squeak/Creak/Rumble/Rattle/Clunk/Thump/Click/Tick/Knock Type Noise Over Bumps

Released 12/14/2016
Creak Click Pop Crack Type Noise From Front Suspension/Frame Area While Making Turns

Released 11/16/2016
Steering Feels Loose / Excessive Lash / Fluid Leak At Lash Adjuster (Replace Pitman Shaft and Adjust over center lash)

Released 9/29/2016
Warranty Administration - General Motors Tire Warranty Policies and Procedures for Low Cab Forward Medium Duty Trucks (U.S. Medium Duty Dealers Only)

Released 8/26/2016
Service Update - Spare Wheel Missing

Released 8/16/2016
Various Vehicle Handling Concerns Suspension Noise Or Damaged Suspension Components Due To Vehicle Modifications

Released 7/19/2016
Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)

Released 7/19/2016
Steering Feels Loose / Excessive Lash / Fluid Leak At Lash Adjuster (Adjust Steering Gear)

Released 6/23/2016
Information on Vibration Analysis and Diagnostic

Released 6/17/2016
Steering Feels Loose / Excessive Lash / Fluid Leak At Lash Adjuster (Adjust Steering Gear)

Released 5/23/2016
Product Safety - Front Upper Control Arm Separation

Released 5/4/2016
Product Safety - Front Upper Control Arm Separation

Released 4/26/2016
Steering Feels Loose And/Or Excessive Lash (Adjust Steering Gear)

Released 4/18/2016
Customer Satisfaction - Tire Pressure Monitor Not Installed in Spare Tire

Released 4/12/2016
Clunking Noise from Rear of Vehicle (Retorque Leaf Spring Bolts)

Released 4/11/2016
Diagnostic Tip - Front Shock Terminal Removal

Released 3/21/2016
Various Vehicle Handling Concerns Suspension Noise Or Damaged Suspension Components Due To Vehicle Modifications

Released 3/18/2016
Steering Feels Loose And/Or Excessive Lash (Adjust Steering Gear)

Released 1/19/2016
Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions

Released 1/13/2016
Advanced Diagnostics - Proactive Alert

Released 11/9/2015
RKE / Passive Entry And Start / No Audio / SWC / Touch Screen Rear Wiper And Rear Power Windows Inoperative / Dead Battery / Service Tire Pressure System DTC B3101 B144C C0710 C0544 U0028 U0029 U0077 U0126 U0151 U0415 U1548 U1549 U154A

Released 2/13/2017
Wireless Charging Module Diagnosis

Released 2/1/2017
Diagnostic Tip - Front Shock Terminal Removal

Released 12/19/2016
New Tool Availability - EN-48974 - EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber

Released 12/14/2016
Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information

Released 11/30/2016
2016 -2017 Silverado and Sierra BAS3 New Model Features

Released 8/29/2016
Fleet Action Center (FAC) Labor Operation Restrictions and Repair Restrictions for US Medium Duty Dealers

Released 11/12/2015
Reduced Power Steering Assist Engine Stall IPC / Radio / HVAC Goes Blank Various DTCs

Released 11/9/2015
RKE / Passive Entry And Start / No Audio / SWC / Touch Screen Rear Wiper And Rear Power Windows Inoperative / Dead Battery / Service Tire Pressure System DTC B3101 B144C C0710 C0544 U0028 U0029 U0077 U0126 U0151 U0415 U1548 U1549 U154A