Recent Bulletins

 

PRELIMINARY INFORMATION

Body Systems

#PIT5341D - Disabling Auto Door Locks - (Jan 8, 2019)

Related To: Vehicle Access Systems

Body and Accessories

#PIT5389F - Diagnostic Tip: Unable To Connect To OnStar Or Connects Failed To Voice - (Jan 9, 2019)

Related To: Entertainment

Driver Information and Entertainment

#PIC6349A - Service Vehicle Soon or Service Drivers Assist Message with U1963 - (Jan 9, 2019)

Related To: Displays and Gauges

#PIT5389F - Diagnostic Tip: Unable To Connect To OnStar Or Connects Failed To Voice - (Jan 9, 2019)

Related To: Entertainment

Engine

#PIP5540C - Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0299 P2227 - (Jan 11, 2019)

Related To: Engine Controls / Engine Controls and Fuel

#PIP5216G - Engine Replacement Recommendations for HFV6 Gen 1 and Gen 2 - (Jan 9, 2019)

Related To: Engine Mechanical

Engine/Propulsion

#PIP5540C - Poor Engine Performance Or CEL On In Cold Ambient Temperatures On Vehicles Equipped With Turbocharged Gasoline Engines May Set One Or More Of The Following DTCs P0299 P2227 - (Jan 11, 2019)

Related To: Engine Controls / Engine Controls and Fuel

#PIP5606C - Ticking Noise From The Engine - (Jan 11, 2019)

Related To: Engine Mechanical

#PIP5216G - Engine Replacement Recommendations for HFV6 Gen 1 and Gen 2 - (Jan 9, 2019)

Related To: Engine Mechanical

#PIP5568D - Service Engine Soon Light Comes on With All 4 Camshaft Position System Performance DTCs P0011 P0014 P0021 and P0024 Setting. - (Jan 9, 2019)

Related To: Engine Controls and Fuel

Power and Signal Distribution

#PIC6350 - Diagnostic Tip – Dead Battery after Sitting Overnight - (Jan 9, 2019)

Related To: Wiring Systems and Power Management