CT5

Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing “D” on Driver Information Center (DIC) when Lightly or Moderately Accelerating, Forcing an 8-7 or 8-6 Downshift – 2019-2021 Cadillac Chevrolet GMC

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Chevrolet GMC Cadillac

NHTSA ID Number: 10219291 Manufacturer Communication Number: 21-NA-275 Summary This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing “D” on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.   Condition Some customers may comment on the following … Read more

Odometer Displays Zero or Incorrect Mileage After Programming DTCs U1973 U197E U197F U2A90 U2A91 U1978 and/or U197F – 2020-2022 Buick Cadillac Chevrolet GMC

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Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10202388 Manufacturer Communication Number: PIT5851 Summary This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.   Condition Some dealerships may comment that after a module is replaced and programmed, the odometer may display zero miles or the incorrect mileage. This … Read more

HFV6 Engine Misfire On AFM Cylinders 2 or 5 – 2021 Cadillac Chevrolet GMC

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NHTSA ID Number: 10202400 Manufacturer Communication Number: PIP5824 Summary This Preliminary information communicates a possible issue with the active fuel management rockers causing a misfire and the correction for this concern.   Condition A 2021 vehicle equipped with a HFV6 Gen2 engine with AFM may be brought into the dealership with misfires on cylinder 2 or 5. … Read more

Unable To Use WI-FI – Access Apps & Personalization Features – 2021 Cadillac Chevrolet GMC

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2021 Chevrolet Corvette

NHTSA ID Number: 10201316 Manufacturer Communication Number: PIC6444   Summary This Preliminary information communicates a possible SIM issue with vehicles in the middle east.     21 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CT4 2021 CADILLAC CT5 2021 CADILLAC ESCALADE 2021 CADILLAC ESCALADE ESV 2021 CADILLAC XT4 2021 CADILLAC XT5 2021 CADILLAC XT6 2021 CHEVROLET BLAZER 2021 … Read more

10L60 10L80 10L90 10L1000 Automatic Transmissions With SES Light And DTCs P2812 or P2814 Setting – 2019-2021 Cadillac Chevrolet GMC

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2021 Chevrolet Suburban

NHTSA ID Number: 10193429 Manufacturer Communication Number: PIP5799   Summary This Preliminary information communicates to the dealer technician to replace the transmission valve body on 2019-2021 10 speed transmissions to correct DTCs P2812 and P2814 setting if Service Information does not lead to root case of these DTCs.     27 Affected Products Vehicles MAKE MODEL YEAR … Read more