- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 47 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 53 days ago
- February 7: GM Power Tailgate Recall Involves Chevrolet and GMC Trucks recalls | 79 days ago
- February 4: GMC 'Shift to Park' Lawsuit Dismissed news | 82 days ago
GMC TSB #17419
2018 GMC Sierra 1500
TSB Document: - Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 17419.
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- Condition Certain 2018 model year Chevrolet Silverado HD and GMC Sierra HD vehicles, equipped with 6.6L diesel engine (RPO L5P) and Allison transmission (RPO MW7), may have a condition in which the automatic transmission has rough upshifts. Correction Reprogram the transmission control module (TCM).
Click a tab for more information.