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Recent Bulletins

22-NA-074 Gasoline Engine Replacement Guidelines after Connecting Rod or Crankshaft Main Bearing Damage - Replace Oil Cooler, Oil Cooler Lines, Oil Tank and Turbocharger
Bulletin / Information / Engine Mechanical
May 19
PIP5924 Diagnostic Aid For Bump When Stopping
Bulletin / Preliminary Information / Automatic Transmission
May 19
23-NA-033 Rattle Noise During Cold Start, Malfunction Indicator Lamp (MIL) Illuminated - DTC P2261 Set
Bulletin / Technical / Vehicle DTC Information / Squeaks and Rattles / Engine Controls and Fuel
May 19
23-NA-094 Rattle from the Front of Vehicle
Bulletin / Technical / Front Suspension
May 19
PIT3665M Brake Pedal Moves or Self Applies at Full Turns
Bulletin / Preliminary Information /
May 19
23-NA-093 Information on New Requirements for Catalytic Converter Claims
Bulletin / Information / Exhaust / General Information
May 19
PIT6024 Add Phone Button Grayed Out
Bulletin / Preliminary Information / Displays and Gauges
May 19
PIE0750 Engineering Information - Failed or Thrown Accessory Drive Belt
Bulletin / Engineering Information / General Information / Engine Mechanical
May 19
PIC6505 Surround Vision Recorder Inoperative
Bulletin / Preliminary Information / Displays and Gauges
May 18
21-NA-142 Front Brake Grind/Groan Noise After Sitting Overnight
Bulletin / Technical / Disc Brakes
May 18
PIT6023 2024 Silverado EV Parts Restriction Program
Bulletin / Preliminary Information / Rear Drive Axle / Heating, Ventilation and Air Conditioning / Vibration Diagnosis and Correction / Plastic Panel Information and Repair / Air Compressor - Auxiliary / Displays and Gauges / Wiring Systems and Power Management / Hybrid/EV High Voltage Energy Storage
May 18
PIC6501B Center Upper IP Compartment Operation - Bin is Difficult to Open or Close
Bulletin / Preliminary Information / Instrument Panel and Console Trim
May 18
23-NA-060 Creak/Tick Noise from the Left (Driver) Side Rear of the Vehicle When Traveling Over Bumps/Uneven Surfaces
Bulletin / Technical / General Information / Air/Wind Noise / Squeaks and Rattles
May 18
23-NA-004 Front Door Panel Separating
Bulletin / Technical / Bolted Exterior Body Panels and Closures / Fixed and Moveable Windows / Vehicle Access Systems
May 18
N222372310 Product Safety Recall - Inadequate Fuel Pump Flow
Campaign / Safety / Engine Controls and Fuel
May 18
N222382520 Service Update - Intermediate Steering Shaft Bolt
Campaign / Service Update / Steering Linkage
May 18
N232403240-01 Noncompliance Recall - Child Seat Anchor Interference
Campaign / FMVSS Noncompliance / Supplemental Restraints
May 17
N222371151-06 Customer Satisfaction Program - Heated Steering Wheel Retrofit – Steering Wheel Replacement Only
Campaign / Customer Satisfaction / Steering Wheel and Column
May 17
PIP5923 Information on 8 Speed E-Assist Transmissions With A Hard Shift While Stopping
Bulletin / Preliminary Information / Automatic Transmission / Engine Mechanical
May 17
22-NA-165 Brake Squeal Noise at Low Speeds
Bulletin / Technical / Disc Brakes / General Information
May 17
23-NA-081 Information on High Output Engine Calibration Installation Process
Bulletin / Information / Programming and Setup / Engine Controls and Fuel
May 17
23-NA-092 Water leak and/or Wet Carpet
Bulletin / Technical / Waterleaks
May 17
23-NA-082 Information for Vehicles Having Rear Park Assist Button But Rear Park Assist Does Not Function
Bulletin / Information / General Information / Instrument Panel and Console Trim
May 17
PIT6021 High Voltage Drive Motor Battery - TAC Approval and Exchange Program for 2024 Silverado EV
Bulletin / Preliminary Information / Automatic Transmission / Starting, Charging, and Low Voltage Energy Storage / Hybrid/EV Controls
May 17
PIT6001B Service Steering Message, Loss of Steering Assist C056D U0420 U2502 After Replacement of Steering Gear
Bulletin / Preliminary Information / Power Steering / Engine Mechanical
May 17
N222392670 Service Update - Transmission Reaction Carrier
Campaign / Service Update / Automatic Transmission
May 17
22-NA-150 Malfunction Indicator Lamp (MIL) Illuminated, Service Emission System and/or DEF Level Low Message on Driver Information Center (DIC), DEF Level Sensor Reading Incorrectly, DEF Level Sensor Being Erratic, DEF Level Sensor Stuck
Bulletin / Technical / Vehicle DTC Information / Programming and Setup
May 17
N232395830 Customer Satisfaction Program - Camshaft Ladder Frame
Campaign / Customer Satisfaction / Engine Mechanical
May 17
PIT6017 Converting To Fleet Key Option RPO 6E2 or 6E8
Bulletin / Preliminary Information / Immobilizer
May 16
PIT6022 Procedure To Release The Park Brakes When Battery Is Discharged
Bulletin / Preliminary Information / Park Brake / Bolted Exterior Body Panels and Closures
May 16
PIC6504 5ET50 Transmission / Driveunits with missing TUN
Bulletin / Preliminary Information / Automatic Transmission
May 16
PIT6018 IPC Display And Radio Blank, No Audio , OnStar Will Not Set Up or Connect
Bulletin / Preliminary Information / Bolted Exterior Body Panels and Closures / Displays and Gauges
May 16
19-NA-167 Water Leak into Interior and/or Various Electrical Concerns, , Wind Noise, Liftgate Actuator Noisy or Inoperative
Bulletin / Technical / Waterleaks / Vehicle Access Systems
May 15
23-NA-034 Radio Software Version Y167 – Multiple Updates for IOK
Bulletin / Technical / Entertainment / Programming and Setup / Displays and Gauges
May 15
20-NA-051 Alpine Radio Exchange Program
Bulletin / Information / Entertainment
May 15
N232396991 Customer Satisfaction Program - Super Cruise Map Enhancements
Campaign / Customer Satisfaction / Driver Assistance Systems
May 15
PIE0734A Engineering Information - Door Speakers Vibrating, Squeaking and/or Rattling
Bulletin / Engineering Investigation / General Information / Entertainment / Interior Trim and Paneling
May 15
N232396990 Customer Satisfaction Program - Super Cruise Map Enhancements
Campaign / Customer Satisfaction / Driver Assistance Systems
May 15
PIC5650K Diagnostic Tip - Security Light on Intermittently / No Crank/No Start or Start Stall / Keyless Access Vehicles May Display No Remote/Fob Detected / Poor or No RKE Range / Service TPM
Bulletin / Preliminary Information / Engine Electrical / Tire Pressure Monitoring / Vehicle Access Systems / Theft Deterrent / Engine Controls and Fuel
May 15
N232397070 Service Update - Endgate Cable Incorrect Build
Campaign / Service Update / Bolted Exterior Body Panels and Closures
May 15
PIT5855G Heated and Ventilated Seats Inoperative
Bulletin / Preliminary Information / Data Communications / Seat Heating & Cooling
May 12
PIE0749 Engineering Information - Squeak, Rattle and/or Creak Type Noise Heard from Second-Row Seat Area
Bulletin / Engineering Information / Squeaks and Rattles / Seat Hardware, Trim and Upholstery
May 12
PIC6503 Radio Display Is Blank Instrument Cluster Works As Designed
Bulletin / Preliminary Information / Displays and Gauges
May 12
PIP5853D TCCM Drivability DTCs and Possible Low Battery Charge
Bulletin / Preliminary Information / Vehicle DTC Information / Transfer Case / Engine Mechanical
May 12
23-NA-080 2024 Chevrolet Silverado EV (WT) New Model Features
Bulletin / Information / General Information
May 12
21-NA-067 Foam Strip Between I/P Trim and Base of Windshield Detaching from Upper I/P Trim Panel
Bulletin / Technical / Instrument Panel and Console Trim
May 12
22-NA-005 Information on Opening / Closure Instructions for DDR (Damaged, Defective, Recalled) High Voltage Battery Dunnage / Container
Bulletin / Information / General Information / Hybrid/EV High Voltage Energy Storage
May 12
23-NA-090 Water Intrusion at Front Door Harness Connector X500 and/or X600
Bulletin / Technical / Waterleaks / Wiring Systems and Power Management / Wire and Connector Repair
May 12
PIC6496A MIL DTC P30EF
Bulletin / Preliminary Information / Engine Heating and Cooling
May 11
PIT6007A SES MIL DTC U0139 Set In ECM
Bulletin / Preliminary Information / Suspension Controls
May 11

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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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11283 documents were updated

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