8L45 8L90 No Movement After Valve Body Replacement – 2015-2023 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10220314 Manufacturer Communication Number: 22-NA-176 Summary This technical bulletin provides information on a possible bolt and guide pin that may be missing from the control valve which will need to be installed to correct the repair.   Condition Some technicians may comment on no movement after the valve body replacement.   Cause This may … Read more

Right Rear Door Alignment – 2021-2023 Cadillac Chevrolet GMC

Chevrolet GMC Cadillac

NHTSA ID Number: 10220317 Manufacturer Communication Number: 22-NA-179 Summary This technical bulletin provides the procedure to align the right rear door to correct the condition of Right Rear Door Alignment.   Condition Some customers may comment on the right rear door not sitting flush and/or the right rear door sticks out excessively at the bottom when closed. … Read more

Appearance of Surface Cracks on Rotors – 2022-2023 Cadillac CT5

2023 Cadillac CT5

NHTSA ID Number: 10224306 Manufacturer Communication Number: PIC6476 Summary This Preliminary information communicates that the appearance of cracks on carbon ceramic rotors is normal and does not impact the performance or durability of the brake system.   Condition A customer may comment that the carbon ceramic rotors on their vehicle appear to have cracks on the surface of … Read more

Incorrect GPS Location On Radio Display – 2023 Cadillac Lyriq

2023 Cadillac LYRIQ

NHTSA ID Number: 10224308 Manufacturer Communication Number: PIC6477 Summary This Preliminary information communicates an engineering investigation for incorrect location when using GPS navigation.   Condition Customer may comment that the display screen will report an incorrect location when using GPS navigation.   Cause This is due to a software anomaly in the Telematics Communication Interface Control Module. … Read more

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

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