Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated – DTC P0442 and/or P0455 Set – 2000-2021 Buick Cadillac Chevrolet GMC

2021 Chevrolet Camaro

NHTSA ID Number: 10198890 Manufacturer Communication Number: 21NA124   Summary This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.     1024 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK CENTURY 2000-2005 BUICK ENCLAVE … Read more

Concerns or Questions Regarding Installation of Dealer Installed Accessories – GM

2020 Chevrolet Camaro

NHTSA ID Number: 10201310 Manufacturer Communication Number: PIT3099U   Summary This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits.  Technicians should refer to Service Information for information regarding most accessories.  Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.     1010 Affected Products Vehicles MAKE MODEL YEAR BUICK ALLURE … Read more

Avoiding Torque Converter Or Crankshaft Damage While Diagnosing Noise Concerns Do Not Separate The Torque Converter From the Flex Plate – GM Passenger Cars and Trucks

General Motors

NHTSA ID Number: 10220319 Manufacturer Communication Number: 22-NA-181 Summary This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the engine or transmission.   Condition Some customers may comment on a noise coming from underneath the vehicle equipped … Read more

Handling Requests For Modifications To Permanently Import / Export Vehicles Between The US And Canada – GM Passenger Cars and Trucks

General Motors

NHTSA ID Number: 10222839 Manufacturer Communication Number: 22-NA-195 Summary This service bulletin provides information on Handling Requests for Modifications to Permanently Import/Export Vehicles Between the U.S. and Canada.   Condition / Concern General Motors (GM) and General Motors of Canada Company (GMCC) do not support cross border sales. Dealers are not authorized under their agreements with GM … Read more

Higher Than Expected Oil Consumption at 8600 GVW and Above – 2000-2022 Chevrolet GMC HUMMER

2019 Chevrolet Silverado

NHTSA ID Number: 10219277 Manufacturer Communication Number: 03-06-01-023F Summary This service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.   Information on Engine Oil Consumption Guidelines All engines require oil to lubricate and protect the load bearing and internal moving parts from wear including cylinder walls, pistons and piston rings. … Read more