SES MIL / AC Blows Warm Air / Fuse F4DR Open / DTC B1AA3 U3018 U3505 – 2021-2022 Cadillac Chevrolet GMC

2022 Chevrolet Suburban

NHTSA ID Number: 10204460 Manufacturer Communication Number: PIT5869   Summary This Preliminary information communicates an issues with an SES MIL, A/C blowing warm air and DTC’s B1AA3 U3018 U3505 due to Fuse F4DR open.  Dealers are to inspect the wiring in the front floor console.     12 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021-2022 CADILLAC … Read more

Short Range Radar (SRR) with DTC U3000 49 Set – 2021 Cadillac Chevrolet GMC

2021 Chevrolet Suburban

NHTSA ID Number: 10205566 Manufacturer Communication Number: 21NA243   Summary This technical bulletin provides repair information to correct a customer concern of Short Range Radar (SRR) with DTC U3000 49 Set.     6 Affected Products Vehicles MAKE MODEL YEAR CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CHEVROLET SUBURBAN 2021 CHEVROLET TAHOE 2021 GMC YUKON 2021 GMC … Read more

No Fob Detected Message on Driver Information Center (DIC) with No Crank/No Start – 2020-2021 Buick Cadillac Chevrolet GMC

2021 Chevrolet Corvette

NHTSA ID Number: 10205567 Manufacturer Communication Number: 21NA244   Summary This service bulletin provides a repair procedure to correct a customer concern of a No Fob detected message on Driver Information Center (DIC) and/or No Crank / No Start condition.     12 Affected Products Vehicles MAKE MODEL YEAR BUICK ENVISION 2021 CADILLAC CT4 2020-2021 CADILLAC CT5 … Read more

Electronic Park Brake Applying Intermittently After Vehicle Shutdown without DTC’s – 2020-2021 Buick Cadillac Chevrolet GMC

2021 Buick Enclave

NHTSA ID Number: 10205574 Manufacturer Communication Number: 21NA252   Summary This technical bulletin provides repair information to correct a customer concern of Electronic Park Brake Applying Intermittently After Vehicle Shutdown without DTC’s.     8 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCLAVE 2020-2021 CADILLAC XT5 2021 CADILLAC XT6 2021 CHEVROLET BLAZER 2021 CHEVROLET TRAVERSE 2020-2021 GMC … Read more

Malfunction Indicator Lamp (MIL) Illuminated with DTC P26BB Set – 2019-2022 Buick Cadillac Chevrolet GMC

2022 Chevrolet Trailblazer

NHTSA ID Number: 10205576 Manufacturer Communication Number: 21NA256   Summary This service bulletin provides repair information for dealers/technicians to correct a customer concern of a Malfunction Indicator Lamp Illuminated with DTC P26BB Set.     29 Affected Products Vehicles MAKE MODEL YEAR BUICK ENCORE 2019-2022 BUICK ENCORE GX 2020-2022 CADILLAC CT4 2020-2022 CADILLAC CT5 2020-2022 CADILLAC XT4 … Read more