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Recent Bulletins

N232419280 N232419280 - Safety Recall - Loose Front Seat Belt Buckle Bolt
Campaign / Safety / Seat Belts
Nov 22
22-NA-215 Warranty Administration – Ultium PowerUP Level 2 Home Charger Warranty Claim Information
Bulletin / Warranty Administration / General Information / Plug-In Charging
Nov 22
23-NA-211 Information on Rear Trunk Latch Inoperative
Bulletin / Information / General Information / Vehicle Access Systems
Nov 22
23-NA-119 Shift to Park is Displayed on the Driver Information Center (DIC) When Vehicle is in Park, No Start - DTC B000A Set
Bulletin / Technical / Automatic Transmission
Nov 22
23-NA-136 2024 Chevrolet Blazer EV New Model Features
Bulletin / Information / General Information
Nov 22
22-NA-165 Brake Squeal Noise at Low Speeds
Bulletin / Technical / Disc Brakes / General Information
Nov 22
22-NA-092 Information on Early Brake Wear in Harsh Environments
Bulletin / Information / Disc Brakes
Nov 21
PIT5964A 2022 HUMMER EV Exterior Lamps Flicker Every 8 seconds Along With A Momentary Pause Of The Windshield Wipers And Turn Signal Click Clack Sound Effect With Current Or History DTC: P0607
Bulletin / Preliminary Information / Lighting Systems
Nov 21
23-NA-115 Ticking, Tapping or Snapping Noise from Engine - 5.5L RPO LT6 Realign Camshaft Caps as Required
Bulletin / Technical / Programming and Setup / Engine Mechanical
Nov 21
23-NA-145 Radio Software Version 167.5
Bulletin / Technical / Entertainment / Programming and Setup / Displays and Gauges
Nov 21
PIT6090 Diagnostic Tip ABS MIL / No Communication With ABS EHCU / Unable To Setup New ABS EHCU
Bulletin / Preliminary Information / Antilock Brake System
Nov 21
PIT6089 Center High Mounted Stop Lamp Inoperative or Flickers
Bulletin / Preliminary Information / Lighting Systems
Nov 21
PIP5906B 2024 6.6L Diesel Engine (L5P) Engine Exchange Program Has Ended
Bulletin / Preliminary Information / Engine Mechanical
Nov 21
N232408730 Service Update - Emergency Light Flashers Not Enabled
Campaign / Service Update / Programming and Setup
Nov 21
23-NA-195 Rear Driveline Module Audible Noise Heard Between 20-70MPH (32-112 km/h)
Bulletin / Technical / Rear Drive Axle
Nov 20
PIE0766A Engineering Information - No Crank, No Start, Check Engine Lamp Illuminated on Driver Information Center (DIC), DTC P062B Set
Bulletin / Engineering Information / General Information / Displays and Gauges / Engine Mechanical
Nov 20
N232419270 Service Update - Structure Plug Missing
Campaign / Service Update / Instrument Panel and Console Trim
Nov 20
N232421270 Customer Satisfaction Program - Passenger Side Roof Panel Joint
Campaign / Customer Satisfaction / Collision Repair
Nov 20
21-NA-049 Diagnostic Aid - PicoScope Information and Setup for Transmission Related Concerns
Bulletin / Information / Automatic Transmission / Vibration Diagnosis and Correction
Nov 17
17-NA-087 Characteristics of Wide Low Aspect Ratio Tires, Vehicle Pulls Left or Right, Wanders, Follows Depressions in Road Surface, Tramlining
Bulletin / Information / Wheel Alignment / Tires and Wheels
Nov 17
18-NA-375 Information on Diagnosis of No Start, Smoke/Fire Originating from Trunk, Radio Click Noise or Inoperative, Malfunction Indicator Lamp (MIL) Illuminated, and/or Various Electrical Issues
Bulletin / Information / Waterleaks / Displays and Gauges / Wiring Systems and Power Management
Nov 17
21-NA-161 Check Engine Lamp (CEL) Illuminated on Driver Information Center (DIC), DTCs P12E9, P12EA, P12EF, P12F0, P12F6, P12F7, P12FC, P12FD Set
Bulletin / Technical / Exhaust / Vehicle DTC Information / Displays and Gauges
Nov 17
20-NA-168 Information on Servicing the 1LE Vinyl Hood Wrap
Bulletin / Information / Bolted Exterior Body Panels and Closures / Paint and Coatings
Nov 17
PIT5985C Diagnostic Tip: No Start/ Ignition Will Not Turn ON/ No Power Due To A CAN bus 2 Issue/Lightning Strike/ Failed Over The Air Update
Bulletin / Preliminary Information / Data Communications
Nov 17
17-NA-220 Accessory Cargo Net T-Bolts Loose
Bulletin / Technical / General Information / Interior Trim and Paneling
Nov 17
22-NA-136 Intermittent Check Engine Lamp On with Various DTCs Set
Bulletin / Technical / Electrical Component and Inline Harness Connector End Views / Wire and Connector Repair
Nov 17
23-NA-128 Noise from Roof Area at Speeds of 35 MPH (56 km/h) and Above
Bulletin / Technical / Luggage Rack and Roof Trim
Nov 17
PIP5847B Diagnostic Tip: Abnormal Engine Ticking or Tapping Noise From Cam Carrier Area And Possible Misfire Or Rough Run With DTC P0300 or P050D
Bulletin / Preliminary Information / Engine Mechanical
Nov 17
PIE0763A Engineering Information - Rear Compartment Lid Does Not Open and/or Opens Intermittently
Bulletin / Engineering Information / General Information / Bolted Exterior Body Panels and Closures / Vehicle Access Systems
Nov 17
23-NA-169 Rearview Driver Information Camera Intermittent in Low Light Conditions - Replace Camera
Bulletin / Technical / Image Display Cameras
Nov 17
22-NA-256 Cluster Graphics Programming Failure
Bulletin / Technical / Programming and Setup / Displays and Gauges
Nov 17
21-NA-142 Front Brake Grind/Groan Noise After Sitting Overnight
Bulletin / Technical / Disc Brakes
Nov 17
23-NA-058 Cold Start Rattle Noise from the Engine Compartment, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0299 Set
Bulletin / Technical / Vehicle DTC Information
Nov 17
21-NA-135 Information on Obtaining Techline Calibrations for Law Enforcement and Government Vehicles to Disable or Enable Content
Bulletin / Information / General Information / Programming and Setup
Nov 16
23-NA-204 Service Front Camera Message Intermittently Displayed on the DIC
Bulletin / Technical / Wiring Systems and Power Management / Electrical Component and Inline Harness Connector End Views / Wire and Connector Repair
Nov 16
PIC6530 Headlights - DRLs - All Lights Flash Off and On
Bulletin / Preliminary Information / Lighting Systems
Nov 16
PIT6088 Diagnostic Tip - Lack Of Power Steering Assist With DTC P25A2 C1597 and/or C1599
Bulletin / Preliminary Information / Power Steering
Nov 16
22-NA-223 Information on Clicking and/or Chattering Noise Coming From the Rear of the Vehicle While Making Tight Turns
Bulletin / Information / Rear Drive Axle / Maintenance and Lubrication
Nov 16
A232424320-01 Safety Recall - Intermittent Instrument Panel Blackout
Campaign / Safety / Programming and Setup
Nov 16
PIE0759B Engineering Information - Malfunction Indicator Lamp (MIL) Illuminated on Driver Information Center (DIC), HVAC Not Blowing Cold Air and/or HVAC Working Intermittently, DTCs P0534, P1E00 Set
Bulletin / Engineering Information / Heating, Ventilation and Air Conditioning / General Information
Nov 16
23-NA-203 Information on DTC U1122 - Lost Communication with Electric Park Brake Switch Stored in History
Bulletin / Information / Park Brake / General Information / Vehicle DTC Information
Nov 16
23-NA-021 Information on Rotational Clicking Noise Heard After Engine Shut Down on Vehicles Equipped With GF9 9T45/50/60/65 Transmission Assembly
Bulletin / Information / Automatic Transmission
Nov 16
23-NA-139 Information on Internal Transmission Faults Related to Components Not Serviceable at Dealer Level, Service Transmission Message Displayed on Driver Information Center (DIC), Malfunction Indicator Lamp (MIL) Illuminated - DTC P1955 and/or P0867 Set
Bulletin / Information / Automatic Transmission / Vehicle DTC Information / Displays and Gauges
Nov 15
23-NA-176 Dead Battery, No Start, and/or Vehicle Will Not Shut Down
Bulletin / Technical / Automatic Transmission / Vehicle DTC Information / Starting, Charging, and Low Voltage Energy Storage
Nov 15
23-NA-163 No Crank, No Start, Quick Start/Stall, No FOB Detected, Key FOBs Inoperative, B3924 00, B3925 00, B3926 00, B3927 00, B3928 00 Set
Bulletin / Technical / Vehicle DTC Information / Programming and Setup / Remote Functions / Starting, Charging, and Low Voltage Energy Storage
Nov 15
23-NA-156 Information on M1L Automatic Transmission Production Running Changes
Bulletin / Information / Automatic Transmission
Nov 15
PIP5951 Newly Arrived Vehicle May Not Charge
Bulletin / Preliminary Information / Plug-In Charging
Nov 15
23-NA-206 History DTCs To Ignore / NO SES / NO Malfunction Indicator Lamps / NO Warning Messages
Bulletin / Information / Vehicle DTC Information
Nov 15
23-NA-205 Audio Boom or Drone Noise Caused by Active Noise Cancellation with RPO UQS
Bulletin / Technical / Entertainment / Wiring Systems and Power Management / Active Noise Cancellation / Electrical Component and Inline Harness Connector End Views
Nov 15
23-NA-202 High Voltage Drive Motor Battery - TAC Approval and Exchange Program for GMC HUMMER EV, Silverado EV, & BrightDrop
Bulletin / Information / Hybrid/EV Controls / Hybrid/EV High Voltage Energy Storage
Nov 15

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Contained within this site is information for most domestic GM models built since 1995. We have built a custom web-based application using our unique tree-based navigation and combined it with a weekly feed of updated information from GM to create a solution for your repair and diagnosis needs. Our focus is on making the information easy to find, enabling you to increase your shop's efficiency.

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11980 documents were updated

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