August 26: GM Hard Brake Pedals Investigated in 1,164,820 Vehicles investigations | 1 days ago
August 24: GM Engine Failure Investigation Includes Nearly 1 Million Vehicles investigations | 3 days ago
July 18: GM Class Action Lawsuit Focuses on Radiator Hose Connector news | 40 days ago
July 5: GM Rear Sliding Window Water Leaks Cause Lawsuit news | 53 days ago
June 8: GM Files Motion to Dismiss L87 Engine Lawsuit news | 80 days ago
GMC TSB #21-NA-027
2019 GMC Sierra 3500
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This technical bulletin provides a procedure to install 2 way tape to correct a condition of Trailering Connector Loose Within Rear Bumper.
Click a tab for more information.




