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Recent Bulletins

22-NA-235 Wireless Charging is Intermittent When Using iPhone and Samsung Phones at Offset Positions
Bulletin / Technical / Entertainment / Programming and Setup
Mar 24
PIP5876A 3.0L LZ0 E66 ECM Part Restriction Has Ended
Bulletin / Preliminary Information / Engine Mechanical
Mar 24
PIP5906 2024 6.6L Diesel Engine (L5P) Engine Exchange Program
Bulletin / Preliminary Information / Engine Mechanical
Mar 24
23-NA-052 Information on Transfer Case Cost Comparison Instruction
Bulletin / Information / Transfer Case
Mar 24
PIT5994 Diagnostic Tip for Reduced or Low Engine Power on Acceleration
Bulletin / Preliminary Information / Engine Controls / Antilock Brake System / Automatic Transmission / Engine Controls and Fuel
Mar 24
23-NA-055 EL-52800 – Diagnostic & Charge Battery Station (DCBS) – FAQs​
Bulletin / Information / Engine Electrical / General Information / Starting, Charging, and Low Voltage Energy Storage
Mar 23
22-NA-083 Requirements for Replacement of the Dual Mode Cord Set Under Warranty
Bulletin / Technical / General Information / Maintenance and Lubrication / Wiring Systems and Power Management / Plug-In Charging
Mar 23
22-NA-209 Articulating Running Board Inoperable
Bulletin / Technical / Vehicle Access Systems / Programming and Setup
Mar 23
PIT5993 No Crank Due To Dead Battery / Battery Draw / Unwanted Alarm
Bulletin / Preliminary Information / Theft Deterrent / Starting, Charging, and Low Voltage Energy Storage
Mar 23
23-NA-049 Volume Selection Does Not Clear from DIC After Adjusting Volume
Bulletin / Technical / Programming and Setup / Displays and Gauges
Mar 23
PIT5878C HUMMER EV & LYRIQ BEV Heat - Defrost - AC - Battery Cooling - and Air Conditioning Performance Concerns
Bulletin / Preliminary Information / Heating, Ventilation and Air Conditioning
Mar 23
19-NA-219 Diagnostic Tip on Misfire, Chirp, Squeak, Squeal or Tick Noise, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 and/or P0308 Set
Bulletin / Information / Engine Mechanical / Engine Controls / Vehicle DTC Information / Displays and Gauges / Engine Controls and Fuel
Mar 23
PIT5925A HUMMER EV Check Engine Lamp & Service High Voltage System Message with DTC: P0494
Bulletin / Preliminary Information / Engine Heating and Cooling
Mar 23
PIT5872B HUMMER EV Pop/Creak Type Noise While Sitting Stationary and Turning Steering Wheel With Brakes Applied
Bulletin / Preliminary Information / Front Suspension
Mar 23
PIT5914A Trailering App Non-Functional, Radio Display Is Blank When App Is Opened
Bulletin / Preliminary Information / Entertainment
Mar 23
23-NA-053 Radio Software Version U168 Update
Bulletin / Technical / Entertainment / Programming and Setup
Mar 22
N212343881-06 Safety Recall - High Voltage Battery May Melt or Burn
Campaign / Safety / Hybrid/EV Energy Storage / Hybrid/EV High Voltage Energy Storage
Mar 22
N222371150-02 Customer Satisfaction Program - Heated Steering Wheel Retrofit – Module Only
Campaign / Customer Satisfaction / Steering Wheel and Column
Mar 22
21-NA-184 Window Regulator - Replace Power Window Regulator Electronics
Bulletin / Technical / Vehicle DTC Information / Fixed and Moveable Windows / Programming and Setup
Mar 22
23-NA-050 Radio Software Version Z167 – Multiple Updates for IOK
Bulletin / Technical / Entertainment / Programming and Setup
Mar 22
21-NA-028 Rear Axle Moan Type Noise on Turns
Bulletin / Technical / Rear Drive Axle / Maintenance and Lubrication
Mar 22
PIC6497 Click or Tick Noise When Adjusting HVAC Temperature
Bulletin / Preliminary Information / Heating, Ventilation and Air Conditioning
Mar 22
PIP5912 LZ0 setting DTCs P0402 P049C P054E P1089 P140C P149A P2203 P22A1 P23AF P242B P2459 P2463 and/or P261F
Bulletin / Preliminary Information / Engine Controls and Fuel
Mar 22
PIT5784B Rear Seat Media Headphone Information
Bulletin / Preliminary Information / Entertainment
Mar 21
22-NA-114 Information on Forklift and Vehicle Hoist Requirements to Support Electric Vehicle (EV) High Voltage Battery Handling (U.S. Only)
Bulletin / Information / General Information / Hybrid/EV Energy Storage / Hybrid/EV High Voltage Energy Storage
Mar 21
23-NA-038 Harsh and/or Erratic Shifts After Over The Air (OTA) Update was Performed
Bulletin / Technical / Automatic Transmission / Programming and Setup
Mar 21
N222381740 Service Update - Air Conditioning Compressor Early Failure
Campaign / Service Update / Heating, Ventilation and Air Conditioning
Mar 21
PIT5636C SES MIL DTC P1005
Bulletin / Preliminary Information / Engine Controls and Fuel
Mar 21
16-NA-019 Information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares
Bulletin / Information / Automatic Transmission
Mar 21
PIP5911 SES LIGHT ON – P066A P066C P066E P067A P067C P067E P068C P068E
Bulletin / Preliminary Information / Automatic Transmission / Engine Mechanical / Engine Controls and Fuel
Mar 21
23-NA-051 Information on New Cell Chemistry N2.2A Vehicle/Pack Identification
Bulletin / Information / General Information / Hybrid/EV Energy Storage / Hybrid/EV High Voltage Energy Storage
Mar 20
22-NA-018 Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only)
Bulletin / Information / General Information
Mar 20
PIP5848A Diagnostic Tip – Diagnosing AWD Driveline Concerns
Bulletin / Preliminary Information / Front Drive Axle
Mar 20
21-NA-043 Properly Maintaining Vehicles in Dealer Inventory
Bulletin / Information / General Information / Maintenance and Lubrication
Mar 20
03-06-04-017S Information on Diesel Fuel Additives
Bulletin / Information / Engine Controls / Engine Controls and Fuel
Mar 20
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
Mar 20
23-NA-047 Dust, Snow or Water Around Fuel Filler Area
Bulletin / Information / General Information
Mar 20
21-NA-151 Front Headlamp Protective Tape Peeling
Bulletin / Technical / Lighting Systems
Mar 20
20-NA-082 Information on Excessive Diesel Exhaust Fluid (DEF) Usage
Bulletin / Information / General Information / Maintenance and Lubrication / Exhaust
Mar 20
00-06-01-026Q Engine Replacement After Severe Internal Engine Damage - Replace Intake Manifold
Bulletin / Information / Engine Mechanical / Engine Controls / Engine Controls and Fuel
Mar 17
21-NA-106 Information on Transmission Related DTCs that Do Not Clear or Appear to Reset on the Next Engine Start After Completing a Transmission Repair
Bulletin / Information / Automatic Transmission / Vehicle DTC Information
Mar 17
00-06-01-012M Use of Surface Conditioning Disks When Cleaning Gasket Sealing Surfaces and/or Reused Parts
Bulletin / Information / Engine Mechanical / Automatic Transmission
Mar 17
PIT5992 Diagnostic Aid: Intermittent No Start. Keyless Entry Inoperative Possible B3031 Or Customer May Note Ready For Fob Message
Bulletin / Preliminary Information / Remote Functions
Mar 17
18-NA-073 Repair Guidelines for Engine Component Wear
Bulletin / Information / Engine Mechanical
Mar 17
PIT5887B Diagnostic Aid: Intermittent Vehicle Powers Up But Will Not Crank
Bulletin / Preliminary Information / Starting, Charging, and Low Voltage Energy Storage
Mar 17
22-NA-009 Information on New Torque Specification and Installation Procedure for ACDelco Spin-On Oil Filters
Bulletin / Information / Engine Mechanical / General Information / Maintenance and Lubrication / Engine Maintenance Information
Mar 17
18-NA-103 Information on Diesel Fuel Gelling in Cold Temperatures Causing In-Tank Fuel Pump Whine and Driveability Concerns
Bulletin / Information / Engine Controls / Vehicle DTC Information / Engine Controls and Fuel
Mar 17
16-NA-222 Information for Engine Concerns Resulting from Lack of Scheduled Maintenance, Improper Service or Aftermarket Calibrations
Bulletin / Information / Engine Mechanical
Mar 17
18-NA-150 6.6L Duramax Diesel Engine Possible Oil Leak Path Information
Bulletin / Information / General Information / Maintenance and Lubrication / Engine Mechanical
Mar 17
22-NA-067 Poor Engine Performance, PCV Bypass Hose and Charge Air Cooler (CAC) Restricted for LUV Engines, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0299, P0234, P0236, P2261, P2227, P00C7 Set
Bulletin / Technical / Engine Controls / Vehicle DTC Information / Displays and Gauges / Engine Controls and Fuel
Mar 17

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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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3/27/2023

12846 documents were updated

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