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Recent Bulletins

 

PRELIMINARY INFORMATION

Body Systems

#PIT5756 - Various Electrical Concerns (Inspect UBEC Bolts For Being Loose) - (Jun 26, 2020)

Related To: Antilock Brake System / Lighting Systems / Entertainment / Displays and Gauges / Wiring Systems and Power Management / 12 V Starting and Charging

Brakes

#PIT5756 - Various Electrical Concerns (Inspect UBEC Bolts For Being Loose) - (Jun 26, 2020)

Related To: Antilock Brake System / Lighting Systems / Entertainment / Displays and Gauges / Wiring Systems and Power Management / 12 V Starting and Charging

#PIT5755 - Diagnostic Tip - Service Stability System Message / MIL DTC U0131 - (Jun 26, 2020)

Related To: Antilock Brake System

#PIT3665J - Brake Pedal Moves or Self Applies at Full Turns - (Jun 26, 2020)

Related To: Hydraulic Brakes / Power Steering

#PIP4902N - Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only) - (Jun 26, 2020)

Related To: Engine Controls / Antilock Brake System / Automatic Transmission / Engine Controls and Fuel

#PIT5509G - Diagnostic Tip - Check and/or Service Trailer Brake System message DTC C1114 - (Jun 23, 2020)

Related To: Trailer Brake Controls

Driver Information and Entertainment

#PIT5756 - Various Electrical Concerns (Inspect UBEC Bolts For Being Loose) - (Jun 26, 2020)

Related To: Antilock Brake System / Lighting Systems / Entertainment / Displays and Gauges / Wiring Systems and Power Management / 12 V Starting and Charging

Engine

#PIP4902N - Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only) - (Jun 26, 2020)

Related To: Engine Controls / Antilock Brake System / Automatic Transmission / Engine Controls and Fuel

#PIP4912G - Duramax Intermittent High Idle Or Elevated Idle Descriptions - (Jun 26, 2020)

Related To: Engine Controls / Engine Controls and Fuel

Engine/Propulsion

#PIT5756 - Various Electrical Concerns (Inspect UBEC Bolts For Being Loose) - (Jun 26, 2020)

Related To: Antilock Brake System / Lighting Systems / Entertainment / Displays and Gauges / Wiring Systems and Power Management / 12 V Starting and Charging

#PIP4902N - Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only) - (Jun 26, 2020)

Related To: Engine Controls / Antilock Brake System / Automatic Transmission / Engine Controls and Fuel

#PIP4912G - Duramax Intermittent High Idle Or Elevated Idle Descriptions - (Jun 26, 2020)

Related To: Engine Controls / Engine Controls and Fuel

#PIP5742 - Belt Chirp Noise and-or Harmonic Balancer Rubbing on Timing Cover - (Jun 23, 2020)

Related To: Engine Mechanical

Power and Signal Distribution

#PIT5756 - Various Electrical Concerns (Inspect UBEC Bolts For Being Loose) - (Jun 26, 2020)

Related To: Antilock Brake System / Lighting Systems / Entertainment / Displays and Gauges / Wiring Systems and Power Management / 12 V Starting and Charging

Steering

#PIT3665J - Brake Pedal Moves or Self Applies at Full Turns - (Jun 26, 2020)

Related To: Hydraulic Brakes / Power Steering

Transmission/Transaxle

#PIP4902N - Procedure For Emailing Global Diagnostic System 2 (GDS2) Session Log To GM TAC (US and Canada Dealers Only) - (Jun 26, 2020)

Related To: Engine Controls / Antilock Brake System / Automatic Transmission / Engine Controls and Fuel

#PIP5504E - Diagnosing Fishbite Chuggle Misfire Feeling Or Shudder Vibration, With A Light Tip In - (Jun 25, 2020)

Related To: Automatic Transmission