2023

Service Programming System (SPS) Errors (E4398, E4399, E4403, M4404 M4413, E4414, E4423 or E4491) – 2016 and Prior GM Passenger Cars and Light Duty Trucks

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General Motors

NHTSA ID Number: 10222841 Manufacturer Communication Number: PI0592G Summary This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).   Service Programming System (SPS) Errors Reference the specific SPS programming error (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or … Read more

Information for Engine Concerns Resulting from Lack of Scheduled Maintenance, Improper Service or Aftermarket Calibrations – Buick Cadillac Chevrolet GMC

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General Motors

NHTSA ID Number: 10222650 Manufacturer Communication Number: 16-NA-222 Summary This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.   825 Affected Products Vehicles MAKE MODEL YEAR BUICK CASCADA 2016-2019 BUICK ENCLAVE 2010-2023 BUICK ENCORE 2013-2022 BUICK ENCORE GX 2020-2022 BUICK ENVISION 2016-2022 BUICK LACROSSE 2010-2020 BUICK … Read more

Diagnostic Tip – Diesel Exhaust Fluid System Contamination – 2010-2023 Chevrolet & GMC

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Chevrolet GMC Cadillac

NHTSA ID Number: 10222781 Manufacturer Communication Number: 19-NA-237 Summary This informational bulletin explains how to identify possible DEF contamination.   Condition Some customers may comment on one or more of the following conditions:   Cause This condition may be caused by contamination in the diesel exhaust fluid (DEF) system and it’s components.   Correction Note: Please follow … Read more

Brake Pedal Moves Or Self Applies At Full Turns – 1998-2023 Cadillac Chevrolet GMC Hummer

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General Motors

NHTSA ID Number: 10226382 Manufacturer Communication Number: PIT3665L Summary This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.   Condition / Concern On vehicles with a Hydro-Boost System, customers may notice during full … Read more

Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information – GM Passenger Cars and Trucks

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General Motors

NHTSA ID Number: 10224831 Manufacturer Communication Number: 99-00-89-019X Summary This Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.   512 Affected Products Vehicles MAKE MODEL YEAR BRIGHTDROP EV600 2022 BRIGHTDROP ZEVO 600 2023 BUICK CASCADA 2016-2019 BUICK ENCLAVE 2015-2023 BUICK ENCORE 2015-2022 BUICK ENCORE GX 2020-2022 BUICK … Read more