DTC P2635 Set – 2021 Chevrolet Silverado & GMC Sierra 1500

2021 Chevrolet Silverado 1500

NHTSA ID Number: 10193460 Manufacturer Communication Number: PIP5788A   Summary This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off, with no driveabilty concerns. During inspection Technician may notice DTC P2635. Unknown at this time engineering is working on this concern     2 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET … Read more

No A/C – A/C Blows Warm Air – DTC P0534 – 2021 Chevrolet Bolt

2021 Chevrolet Bolt

NHTSA ID Number: 10193463 Manufacturer Communication Number: PIC6436   Summary This Preliminary information communicates to technician’s if they have a low mileage vehicle with an Air Conditioning inoperative condition with a P0534 to inspect the Air Compressor for leak and the possible area of the leak. Once verified of the leak in the compressor area to replace … Read more

MIL/Service Engine Soon Light Illuminated with DTC P11D5 set – 2021 Chevrolet Silverado & GMC Sierra 2500HD/3500HD

2021 Chevrolet Silverado

NHTSA ID Number: 10193464 Manufacturer Communication Number: PIP5775B   Summary This Preliminary information communicates to dealership technicians that a P11D5  may be cause by a software anomaly,  check to see if campaign N212331790 applies, reflash the ECM and release the vehicle.     4 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO 2500 2021 CHEVROLET SILVERADO 3500 2021 … Read more

Park Assist Off Message / Unwanted Or False Park Assist Alerts / No DTCs – 2019-2021 Chevrolet Silverado & GMC Sierra

2021 Chevrolet Silverado

NHTSA ID Number: 10193466 Manufacturer Communication Number: PIT5836   Summary This Preliminary information communicates and issue with the park assist off message or unwanted/false parking assist alerts and provide diagnostics tip for dealership to inspect the parking assist sensor/bezel mounting in the front and rear bumpers     6 Affected Products Vehicles MAKE MODEL YEAR CHEVROLET SILVERADO … Read more

History DTCs To Ignore / NO SES / NO Malfunction Indicator Lamps / NO Warning Messages – 2021 Buick Envision

2021 Buick Envision

NHTSA ID Number: 10193468 Manufacturer Communication Number: PIT5837   Summary This Preliminary information communicates an issues with false codes setting in vehicles due to timing issues between the modules.     1 Affected Product Vehicle MAKE MODEL YEAR BUICK ENVISION 2021   Condition A technician may find any number of the following DTCs set in History. These history … Read more