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Recent Bulletins

21-NA-030 Engine Noise and/or Belt Squeak, MIL Illuminated - DTC P0324 Set
Bulletin / Technical / Vehicle DTC Information / Displays and Gauges / Engine Mechanical
Apr 09
05-03-08-002I Information on Diagnosis and Replacement of Shock Absorber and Strut Due to Fluid Leak
Bulletin / Information / Suspension General Diagnosis / Front Suspension / Rear Suspension
Apr 09
PIP5654A 10L90 10L80 10L60 10 Speed Automatic Transmission Valve Body Part Unique Number PUN May Contain the Letter O Or The Number 0
Bulletin / Preliminary Information / Automatic Transmission
Apr 09
PIP5803 Inspection Loose Upper Bolt For Timing Chain Guide Oil Leak Front Timing Cover Removal 2.0 LTG
Bulletin / Preliminary Information / Engine Mechanical
Apr 09
VIN MISMATCH SPS
Bulletin / Information / Programming and Setup
Apr 09
PIP5802 Diagnostic Tip for DTCs P219A or P219B Setting With No Other Drivability Symptoms
Bulletin / Preliminary Information / Engine Controls and Fuel
Apr 09
PIC6433A Intermittent Service Theft Deterrent Message
Bulletin / Preliminary Information / Theft Deterrent
Apr 09
21-NA-088 Engine Cooling Fan Windmilling, DTC P0494 Set
Bulletin / Technical / Vehicle DTC Information / Programming and Setup / Engine Heating and Cooling / Engine Controls and Fuel
Apr 09
PIP5348C Vibration At Idle In Gear Or Low Speeds Remove Foreign Object Material Debris From Transmission Mount
Bulletin / Preliminary Information / Automatic Transmission
Apr 08
20-NA-038 Information on Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) Usage
Bulletin / Information / Exhaust / Engine Controls and Fuel
Apr 08
PIP5527L Drivability Concerns Caused By Intake Rocker Arm Oil Control Valve - Chuggle Surge Misfire P0068 P0101 P0106 P0171 P0300 P219A P16D0 P16D1 P2646 P2647
Bulletin / Preliminary Information / Engine Controls and Fuel
Apr 08
PIP5733Q Possible Crank No Start or Extended Crank With DTC P12A6 Set As Current or History
Bulletin / Preliminary Information / Engine Controls and Fuel
Apr 08
N212328980 Service Update - Rear Fuse Block Cover Diagram Has Incorrect Fuse Information
Campaign / Service Update / General Information
Apr 08
18-NA-146 Warranty Administration - Proper Labor Operation Selection and Causal Part Identification for Warranty Transactions (U.S. Only)
Bulletin / Warranty Administration / General Information
Apr 07
PIP5800 Lack of Power or Poor Performance During High Ambient Temperatures with RPO (C7N) 12,300 LB GVWR or (C4M) 9,900 LB GVWR
Bulletin / Preliminary Information / Engine Controls and Fuel
Apr 07
20-NA-047 Front or Rear Crankshaft Oil Leak, Malfunction Indicator Lamp (MIL) Illuminated - DTC P1101 Set
Bulletin / Technical / Vehicle DTC Information / Displays and Gauges / Engine Mechanical / Engine Controls and Fuel
Apr 07
N202325461 Service Update - Automated Driving Mapping Module Software Update
Campaign / Service Update / Programming and Setup
Apr 07
20-NA-198 Trailer Running Lights Shut Off Due to Excessive Load on the Running Lamp Circuit
Bulletin / Technical / Lighting Systems
Apr 07
21-NA-069 Buzz or Rattle Type Noise Heard Coming from A-Pillar Area
Bulletin / Technical / Entertainment / Squeaks and Rattles
Apr 07
PIP5752L Service Engine Light Misfire Engine Noise With DTC P0300 P0106 P0506
Bulletin / Preliminary Information / Engine Mechanical
Apr 07
PIP5794A Diagnostic Tips For Engine Related Shudder Concerns
Bulletin / Preliminary Information / Engine Controls and Fuel
Apr 07
21-NA-087 Incorrect Rear View Displayed with Trailer Attached During Backing Event
Bulletin / Technical / Entertainment / Programming and Setup / Image Display Cameras
Apr 07
17-NA-204 Fuel Leak, Fuel Smell/Odor, Rubbing/Grinding/Clanking/Hitting/Banging/Popping/Thumping Noise from Under Vehicle, Fuel Gauge Reading Inaccurate
Bulletin / Technical / Engine Controls / Engine Controls and Fuel / Fuel System
Apr 07
PIP5796A Engine Compartment Tick or Rattle Noise From Purge Solenoid Resonance Through PCV Tube
Bulletin / Preliminary Information / Engine Controls and Fuel
Apr 07
21-NA-020 Click Type Noise Heard From Starter When Cranking - E-98 Ground Relocation
Bulletin / Technical / 12 V Starting and Charging / Engine Mechanical
Apr 07
N212331790 Service Update – NOx Sensor False Failure
Campaign / Service Update / Programming and Setup
Apr 07
PIE0624 Engineering Information - Rear Access Open Message Illuminated On Driver Information Center (DIC) When Liftgate is Closed
Bulletin / Engineering Information / General Information / Vehicle Access Systems / Displays and Gauges
Apr 07
PIT5832 Diagnostic Tip: No Start Or Unable To Perform Theft Relearn After Replacing Or Programming A Module / DTC U1962
Bulletin / Preliminary Information / Data Communications
Apr 06
21-NA-083 Mirrors Will Not Fold Automatically When Vehicle is Turned Off
Bulletin / Information / General Information / Mirrors
Apr 06
07-00-89-036J Enhancing Field Product Reports with Digital Pictures
Bulletin / Information / General Information
Apr 06
PIT5825B Vibration Type Noise Heard at Highway Speeds or with Engine Speed at 1,300-1,500 RPM
Bulletin / Preliminary Information / Exhaust
Apr 06
PIT5831 Intermittent Malfunction Indicator Lamp (MIL) Illuminated - DTC P146F Set
Bulletin / Preliminary Information / Engine Controls and Fuel
Apr 06
02-00-89-002T Information for Dealers/Technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only)
Bulletin / Information / General Information
Apr 06
PIP5743A 2.5L LCV 6L50 MYB Rough Idle Or Vibration While In Gear After A Cold Start 800 to 1000 RPM And Or A Short Vibration At A Launch
Bulletin / Preliminary Information / Automatic Transmission
Apr 06
N212331000-01 Safety Recall - Axle Shaft May Separate
Campaign / Safety / Wheel Drive Shafts
Apr 06
N202324141 Service Update - Calibration for Performance Air Intake System
Campaign / Service Update / Programming and Setup
Apr 06
21-NA-066 Vehicle No Start, Grinding/Starter Free Spinning Noise Under Hood, Issues During an Auto-Stop/Start Operation
Bulletin / Technical / Engine Mechanical
Apr 06
21-NA-063 Diagnostic Tip for Flutter and/or Buzz Type Noise Heard From the Rear of the Vehicle
Bulletin / Technical / General Information / Engine Controls and Fuel
Apr 06
20-NA-218 Possible Crank No Start or Extended Crank with DTC P12A6
Bulletin / Technical / Vehicle DTC Information / Programming and Setup / Engine Controls and Fuel
Apr 05
Service Update Bulletin - Calibration for Performance Air Intake System
Campaign / Service Update / Exhaust
Apr 01
PIP5799 10L60 10L80 10L90 10L1000 Automatic Transmissions With SES Light And DTCs P2812 or P2814 Setting
Bulletin / Preliminary Information / Automatic Transmission
Apr 01
PIT3227Q Normal Characteristic - Tailgate Cable Slack
Bulletin / Preliminary Information / Body Rear End / Bolted Exterior Body Panels and Closures
Apr 01
PIT5830 No Start Condition Due to Dead Battery
Bulletin / Preliminary Information / 12 V Starting and Charging
Apr 01
PIT5803B Unable to Set PIN to Enable Teen Driver Feature
Bulletin / Preliminary Information / Secondary and Configurable Customer Controls
Apr 01
PIE0620A Engineering Information - Service Power Steering Message Illuminated On Driver Information Center (DIC), DTC C0051 58 Set
Bulletin / Engineering Information / General Information / Vehicle DTC Information / Displays and Gauges
Apr 01
20-NA-048 Rattle Noise from Driver or Passenger Seat Belt
Bulletin / Technical / Seat Belts / Squeaks and Rattles
Apr 01
21-NA-057 Non-Responsive Touch on Rear Seat Infotainment Left Screen
Bulletin / Technical / General Information / Entertainment / Displays and Gauges
Apr 01
PIC6425D Radio Software Related Concerns
Bulletin / Preliminary Information / Entertainment
Apr 01
20-NA-119 Radio Software Version 34.9.2 and 46.1.6
Bulletin / Technical / Entertainment / Programming and Setup
Mar 31
N202325460-01 Service Update - Radio Software Update
Campaign / Service Update / Programming and Setup
Mar 31

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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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