Chevrolet TSB #21-NA-275
2021 Chevrolet Silverado 1500
Affected Component: POWER TRAIN
- Summary
- This service bulletin provides repair information to correct customer concerns of Rear Wheel Lock Up, ABS Event, Loud Bang and a Flashing â??Dâ?? on Driver Information Center (DIC) when Lightly or Moderately Accelerating Forcing an 8-7 or 8-6 Downshift.