February 21: Recall: GM Rear Wheels Lockup While Driving recalls | 0 days ago
January 19: GM Engine Failure Recall Investigation Opened investigations | 33 days ago
January 2: GM Says Brake Master Cylinder Failure Lawsuit Fails news | 50 days ago
December 28: GM Lifter Failure Lawsuit Includes Multiple Models news | 55 days ago
December 22: GM Air Conditioning Class Action Lawsuit: 8 Years in Court news | 61 days ago
GMC TSB #PIP5711C
2020 GMC Sierra 2500
TSB Document:
Affected Component: BACK OVER PREVENTION
- Summary
- This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise.
Click a tab for more information.




