- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 19 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 25 days ago
- February 7: GM Power Tailgate Recall Involves Chevrolet and GMC Trucks recalls | 51 days ago
- February 4: GMC 'Shift to Park' Lawsuit Dismissed news | 54 days ago
- January 18: GM Oil Consumption Lawsuit Should Be Dismissed, says General Motors news | 71 days ago
GMC TSB #N192266750
2020 GMC Sierra 2500
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- N192266750 - Service Update. On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster may incorrectly display the message ?DEF Low? when a diesel engine fluid (DEF) controller internal fault is detected (DTC P20FF), instead of displaying the proper ?Service DEF System? message. 2.The customer may complain of excessive engine fan noise at a low vehicle speed. 3.Under certain conditions, the diagnostic system may set one of the following DTC?s when there is no problem with a component: (P20EE, P226D, P16F3 and P129F). Dealers are to reprogram the engine control module.
Click a tab for more information.