January 2: GM Says Brake Master Cylinder Failure Lawsuit Fails news | 13 days ago
December 28: GM Lifter Failure Lawsuit Includes Multiple Models news | 18 days ago
December 22: GM Air Conditioning Class Action Lawsuit: 8 Years in Court news | 24 days ago
December 7: GM Engine Class Action Lawsuit Set To Begin news | 39 days ago
December 7: GM 8-Speed Transmission Lawsuit Runs Into Trouble news | 39 days ago
GMC TSB #13254
2014 GMC Sierra 1500
TSB Document:
Affected Component: POWER TRAIN
- Summary
- Service Update f or Inventory and Customer Vehicles Rough Engine Operation, DTC P16A1, DML, Reduced Power Mode Expires with Base Warranty - Equipped with 5.3L V8 Engine (L83)
Click a tab for more information.




