January 19: GM Engine Failure Recall Investigation Opened investigations | 2 days ago
January 2: GM Says Brake Master Cylinder Failure Lawsuit Fails news | 19 days ago
December 28: GM Lifter Failure Lawsuit Includes Multiple Models news | 24 days ago
December 22: GM Air Conditioning Class Action Lawsuit: 8 Years in Court news | 30 days ago
December 7: GM Engine Class Action Lawsuit Set To Begin news | 45 days ago
GMC TSB #PIE0538B
2020 GMC Sierra 1500
TSB Document:
Affected Component: POWER TRAIN
- Summary
- This engineering information (EI) ends the need for information from the field regarding 8 speed transmission shift quality.
Click a tab for more information.




