Get Free 2018 GMC SIERRA V8, 6.0L; OHV; 16V; SEFI; FFV TSBs

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

Released 3/21/2018
Information On Diesel Exhaust System Configuration and DPF Soot Accumulation, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2463 Set

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 3/1/2018
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 2/26/2018
Dust, Snow or Water Around Fuel Filler Area

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 2/7/2018
Personalization Selections Intermittently Missing from Comfort and Convenience Menu

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 2/5/2018
Malfunction Indicator Lamp Illuminated DTC P2101 Set

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

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 1/30/2018
Constant or Intermittent Low Coolant Message Displayed On the Drivers Information Center (DIC)

Released 1/29/2018
Customer Satisfaction Program - Rear Wheel Hub Nut Loose

Released 1/26/2018
Engineering Information - Torque Converter Shudder

Released 12/8/2017
Information on Poor DEF Quality Message Displayed on Driver Information Center (DIC) and/or Malfunction Indicator Lamp (MIL) Illuminated - DTCs P249D, P249E

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

Released 11/22/2017
Rear Camera Screen Bright At Night

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

Released 11/20/2017
Personalization Selections Intermittently Missing from Comfort and Convenience Menu

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
Diagnostic Tip - Memory Features For Driver 3 Or 4

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

Released 11/6/2017
Customer Satisfaction Program - Incorrect Torsion Bar Built into Front Seat Belt Retractors

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 9/27/2017
Service Update - Front Seat Belt Retractors Built with Different Torsion Bar

Released 9/27/2017
F/CMVSS Noncompliance Recall - Incorrect Torsion Bar Built into Front Seat Belt Retractors

Released 9/27/2017
FMVSS Noncompliance Recall - Incorrect Torsion Bar Built into Front Seat Belt Retractors

Released 9/26/2017
Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated, Auto Stop Inoperative - DTC U029D, U029E, P249D, P249E Set

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

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

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

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 4/8/2019
Low Volt Gauge Reading after Cold Start

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
Service Update - Buddy Clip with Aux Battery Negative Cable Not Secured

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 2/19/2018
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 2/2/2018
SES Lamp With Camshaft or Oil Pump System Related DTCs

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
Personalization Selections Intermittently Missing from Comfort and Convenience Menu

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 10/3/2017
Service Update - SPS Not Used For Second Stage Airbag Deployment

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

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

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

Released 11/16/2017
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

Released 10/6/2017
TAC Part Restriction - E41 ECM Part Number 12683624

Released 10/3/2017
DTC P20EE - Diagnostic Procedure for SCR System

Released 9/26/2017
Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated, Auto Stop Inoperative - DTC U029D, U029E, P249D, P249E Set

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

Released 8/23/2017
Service Update - Diesel Particulate Filter Soot Model DTC Disabled

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

Released 12/8/2017
Information on Poor DEF Quality Message Displayed on Driver Information Center (DIC) and/or Malfunction Indicator Lamp (MIL) Illuminated - DTCs P249D, P249E

Released 10/3/2017
DTC P20EE - Diagnostic Procedure for SCR System

Released 2/26/2018
Dust, Snow or Water Around Fuel Filler Area

Released 2/13/2018
Concerns Caused By Restricted Air Filter Element

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

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

Released 10/3/2017
Check Engine Light On with Leaks in the Charge Air Cooler System

Released 9/28/2017
Glow Plug Control Module Software Update

Released 8/30/2017
DTC P0106 Caused By Snow or Water Intrusion Into The Air Cleaner

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

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

Released 1/30/2020
Customer Satisfaction Program - Enable Diesel Engine Block Heater

Released 10/24/2019
Safety Recall - Diesel Engine Block Heater Cord

Released 10/15/2019
Customer Satisfaction Program - Enable Diesel Engine Block Heater

Released 10/14/2019
Safety Recall - Diesel Engine Block Heater Cord

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

Released 5/14/2019
Safety Recall - Diesel Engine Block Heater Cord

Released 4/27/2019
Safety Recall - Diesel Engine Block Heater Cord

Released 3/16/2018
Information On Performing an Exhaust Leak Test

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 2/5/2018
Malfunction Indicator Lamp Illuminated DTC P2101 Set

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

Released 2/2/2018
SES Lamp With Camshaft or Oil Pump System Related DTCs

Released 1/29/2018
Customer Satisfaction Program - Rear Wheel Hub Nut Loose

Released 1/26/2018
Engineering Information - Torque Converter Shudder

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

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 11/28/2017
Service Update - Transmission Rough Upshifts

Released 11/16/2017
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

Released 11/9/2017
Service Update - Transfer Case Shift Indicator May Indicate Incorrect Position

Released 11/8/2017
Malfunction Indicator Lamp (MIL) Illuminated, Ticking Sound From Fuel Injector On Deceleration and/or Stalling in Cold Weather with Low Fuel - DTCs P2476, P2A00, P20EE, P0299, P0106, P10D1, P244C, P11CC, P24C7, P1488 Set

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

Released 10/16/2017
PQC 2018 Part Restriction T87A Transmission Control Module

Released 10/6/2017
TAC Part Restriction - E41 ECM Part Number 12683624

Released 10/4/2017
Engineering Information - Torque Converter Shudder

Released 10/2/2017
6.6L Diesel Engine (L5P) Engine Exchange Program

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

Released 8/30/2017
DTC P0106 Caused By Snow or Water Intrusion Into The Air Cleaner

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

Released 8/23/2017
Service Update - Diesel Particulate Filter Soot Model DTC Disabled

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
PQC 2018 Part Restriction T87A Transmission Control Module

Released 3/11/2020
Emission Recall - Diesel Particulate Filter Regeneration Frequency

Released 5/14/2019
Safety Recall - Diesel Engine Block Heater Cord

Released 1/29/2018
Customer Satisfaction Program - Rear Wheel Hub Nut Loose

Released 11/16/2017
Emission Recall - Diesel Particulate Matter Sensor Diagnostic Fault

Released 11/6/2017
Customer Satisfaction Program - Incorrect Torsion Bar Built into Front Seat Belt Retractors

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

Released 9/27/2017
F/CMVSS Noncompliance Recall - Incorrect Torsion Bar Built into Front Seat Belt Retractors

Released 9/27/2017
FMVSS Noncompliance Recall - Incorrect Torsion Bar Built into Front Seat Belt Retractors

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 3/9/2018
Service Update - Buddy Clip with Aux Battery Negative Cable Not Secured

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

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

Released 1/29/2018
Customer Satisfaction Program - Rear Wheel Hub Nut Loose

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

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

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