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Recent Bulletins
| 22-NA-144 |
Power Windows, Door Locks and Outside Mirrors Inoperative, Unwanted Theft Alarm Activation, Random Messages Displayed on Driver Information Center (DIC) Bulletin / Technical / Vehicle DTC Information / Bolted Exterior Body Panels and Closures / Frame and Underbody / Displays and Gauges / Data Communications / Power Outlets / Wiring Systems and Power Management / Electrical Component Locator and Harness Routing Views / Electrical Component and Inline Harness Connector End Views / Wire and Connector Repair |
Aug 19 |
| PIC6468 |
Hands Free Liftgate Projected Logo Inoperative Bulletin / Preliminary Information / Vehicle Access Systems |
Aug 18 |
| PIP5866 |
Diagnostic Tip - Engine Oil Leak From Area Above Engine Oil Filter Bulletin / Preliminary Information / Engine Mechanical |
Aug 18 |
| PIT5933A |
2022 HUMMER EV Drivers Or Passengers Front Door Panel Trim Cover Keeps Falling Off Bulletin / Preliminary Information / Instrument Panel and Console Trim |
Aug 18 |
| N222371120 |
Service Update - Incorrect Ground Nut Campaign / Service Update / Wire and Connector Repair |
Aug 18 |
| PIT5883D |
Information On Vehicles Built With Heated And Vented Seats Disabled / Heated Steering Wheel Disabled / Front Rear Park Assist Disabled / Wheel Well Liners / Column Lock / Rocker Protectors Bulletin / Preliminary Information / Steering Wheel and Column / Bumpers and Fascias / Seat Heating & Cooling / Driver Assistance Systems |
Aug 18 |
| N212354524-01 |
Customer Satisfaction Program - Heated Vented Seats Retrofit Due to Chip Shortage - Rear Seats Only Campaign / Customer Satisfaction / Seat Heating & Cooling |
Aug 18 |
| N222369400 |
Customer Satisfaction Program - Advanced Diagnostic Software (ADS) Improvements Campaign / Customer Satisfaction / Programming and Setup |
Aug 17 |
| N212351870-01 |
Service Update Bulletin - State of Charge Estimation of 12 Volt Battery Campaign / Service Update / Data Communications |
Aug 17 |
| N222369401 |
Service Update - Advanced Diagnostic Software (ADS) Improvements Campaign / Service Update / Programming and Setup |
Aug 16 |
| PIT5912D |
Lane Keep Assist Unavailable / Adaptive Cruise Control Inop / Service Driver Assist Systems / Amber Front Collision Icon On / Dead Battery / No Crank / Front View Camera DTC U3000 49 Bulletin / Preliminary Information / Lighting Systems / Cruise Control / Driver Assistance Systems |
Aug 16 |
| N222368590 |
Customer Satisfaction Program - Accessory Black Grille and Trim Missing Campaign / Customer Satisfaction / General Information |
Aug 16 |
| PIE0715 |
Engineering Information - Front Upper Control Arm Ball Joint Separated from Socket Bulletin / Engineering Information / Front Suspension |
Aug 16 |
| N222358050 |
Service Update - Right Side Overhead Console and Rear Reading Lamps Inoperative Campaign / Service Update / Instrument Panel and Console Trim |
Aug 16 |
| 04-00-89-015Y |
Warranty Administration - Required Operating Procedures - 8 Points (U.S. Only) Bulletin / Warranty Administration / General Information |
Aug 16 |
| N222372380-01 |
Safety Recall - Third Row Seatbelt Buckle Retention Campaign / Safety / Seat Belts |
Aug 16 |
| 20-NA-105 |
360 Camera Views go Blank with Tailgate Removed Bulletin / Technical / Entertainment / Displays and Gauges / Image Display Cameras |
Aug 16 |
| PIE0714 |
Engineering Information - Crankshaft Balancer Appears to be Wobbling and/or Vibrating, Mounting Bolt Does Not Appear to be Centered Bulletin / Engineering Information / General Information / Engine Mechanical |
Aug 16 |
| N222370150-01 |
Emission Recall - LFV ECM Calibration Incorrect For Engine Due To ECR Coordination Incorrect Breakpoint Campaign / Product Emission / Programming and Setup |
Aug 15 |
| PIT5696G |
Diagnostic Aid : ABS/TCS MIL On Code C0010 Symptom 5A Stored Bulletin / Preliminary Information / |
Aug 15 |
| 20-NA-065 |
Information on Malfunction Indicator Lamp (MIL) Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set Bulletin / Information / Engine Controls / Instrument Panel and Console / Vehicle DTC Information / Displays and Gauges / Engine Controls and Fuel |
Aug 15 |
| 22-NA-169 |
Power Assist Steps Inoperative / Reverse After Being Deployed / Erratic Operation Bulletin / Technical / Frame and Underbody / Driver Assistance Systems |
Aug 15 |
| N222375410 |
Customer Satisfaction Program - Accessory Fog Lamp Kit Missing Campaign / Customer Satisfaction / Lighting Systems |
Aug 15 |
| 18-NA-176 |
Drivers Side Object Sensing Alert Module Not Working Correctly and/or Incorrect Side Mirror Notification Bulletin / Technical / Driver Assistance Systems |
Aug 15 |
| 20-NA-108 |
Front Suspension Squeak/Squawk Noise Over Small/Medium Bumps Bulletin / Technical / Front Suspension / Squeaks and Rattles |
Aug 15 |
| 21-NA-027 |
Trailering Connector Loose Within Rear Bumper Bulletin / Technical / General Information / Trailer Brake Controls |
Aug 15 |
| 22-NA-167 |
Light and Medium Duty Truck Product Identification and Warranty Summary Chevrolet/GMC Dealers Bulletin / Information / General Information |
Aug 15 |
| 22-NA-166 |
Waterleak into Interior of Vehicle Bulletin / Technical / Waterleaks |
Aug 15 |
| PIT5387L |
Snow Plow Generator Harness Installation / Radio HVAC IPC Blank out When Operating a Snow Plow Bulletin / Preliminary Information / Displays and Gauges / Starting, Charging, and Low Voltage Energy Storage |
Aug 15 |
| N222371170 |
Service Update - Battery Energy Control Module 1 and Module 2 Campaign / Service Update / Programming and Setup |
Aug 15 |
| PIP5850E |
DTC P0BBD Diagnosis and Repair Bulletin / Preliminary Information / Hybrid/EV Energy Storage / Hybrid/EV High Voltage Energy Storage |
Aug 12 |
| 22-NA-168 |
Diagnostic Tip for Checking Exhaust System for Leaks, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2C7A and/or P0421 Set Bulletin / Information / Vehicle DTC Information / Displays and Gauges / Exhaust |
Aug 12 |
| 22-NA-151 |
DTC P0BBD Diagnosis and Repair Bulletin / Technical / Vehicle DTC Information / Hybrid/EV Energy Storage / Programming and Setup / Hybrid/EV High Voltage Energy Storage |
Aug 12 |
| PIT5938 |
Low or Dead 12 Volt Battery With DTC B108E Bulletin / Preliminary Information / Lighting Systems / Starting, Charging, and Low Voltage Energy Storage |
Aug 12 |
| PIT5936A |
Headlights On During Daylight Condition DTC B108E Bulletin / Preliminary Information / Lighting Systems |
Aug 11 |
| PIT5937 |
ABS / TCS / Stability / Brake Warning Indicators Illuminated With Wheel Speed Sensor DTCs Bulletin / Preliminary Information / Antilock Brake System |
Aug 11 |
| 17-NA-221 |
Poor Engine Performance in Extremely Cold Weather Conditions for LE2 Engines, Charge Air Cooler Icing - Malfunction Indicator Lamp (MIL) Illuminated, DTC P0299, P0234, P0236, P2227, P00C7 Set Bulletin / Technical / Vehicle DTC Information / Displays and Gauges / Engine Heating and Cooling / Engine Controls and Fuel |
Aug 11 |
| 22-NA-160 |
2023 Cadillac Escalade - V New Model Features Bulletin / Information / General Information |
Aug 11 |
| 22-NA-162 |
Service Safety Restraint System Message with DTC B1A7A Set Bulletin / Technical / Vehicle DTC Information / Programming and Setup / Displays and Gauges |
Aug 11 |
| PIP5865 |
Diagnostic Tip: Malfunction Indicator Lamp (MIL) DTC P30BF That May Set As Current Or Failed In History On Vehicles With 5000 Miles Or Less Bulletin / Preliminary Information / Engine Controls and Fuel |
Aug 11 |
| PIE0713 |
Engineering Information - Horn Having Weak Sound and/or Horn Inoperable Bulletin / Engineering Information / Steering Wheel and Column / General Information |
Aug 11 |
| N212354525 |
Customer Satisfaction Program - Heated Vented Seats Retrofit Due to Chip Shortage - Rear Seats Only Campaign / Customer Satisfaction / Seat Heating & Cooling |
Aug 11 |
| N212354523 |
Customer Satisfaction Program - Heated Vented Seats Retrofit Due to Chip Shortage - Front and Rear Seats Campaign / Customer Satisfaction / Seat Heating & Cooling |
Aug 11 |
| PIP5380A |
Rough Running At Start Up, Smoke From Exhaust and/or Knock Noise. Bulletin / Preliminary Information / Engine Controls / Engine Controls and Fuel |
Aug 10 |
| 20-NA-020 |
Brake Squealing Noise Bulletin / Technical / Disc Brakes / Squeaks and Rattles |
Aug 10 |
| 21-NA-199 |
Information on Installation of a New Thermal Bypass Valve (TBV) Bulletin / Information / Automatic Transmission |
Aug 10 |
| N222370300 |
Customer Satisfaction Program - Accessory Grille Inventory Shortage Campaign / Customer Satisfaction / Exterior Trim |
Aug 10 |
| PIP5799A |
10L60 10L80 10L90 10L1000 Automatic Transmissions With SES Light And DTCs P2812 or P2814 Setting Bulletin / Preliminary Information / Automatic Transmission |
Aug 10 |
| 19-NA-044 |
Information on Black Smoke, Rough Idle and Minimal Misfires on Cold Start Bulletin / Information / Engine Controls / Engine Exhaust / Exhaust / Engine Controls and Fuel |
Aug 10 |
| N222364680 |
Customer Satisfaction Program - Incorrect Front Shock Absorbers Campaign / Customer Satisfaction / Front Suspension |
Aug 10 |
About This Website
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.
Subscriptions start as low as $15.00 and rates thereafter are available in a number of formats — daily, weekly, monthly or yearly.
Service Manuals
Including repair instructions, diagnostic information and procedures, specifications, schematic and routing diagrams and component locators for all modules on a vehicle.
Bulletins
Release information in a number of categories including campaign, technical, information, warranty administration, engineering information, and advanced service information.
Last Update
8/21/2022
12465 documents were updated
3234 images were updated
We receive updates directly from GM and process them immediately so that our system will have the most up-to-date information available, directly from the manufacturer. Updates occur on a weekly basis.
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