- September 3: GM's Special Coverage N192219480 Program Closes Investigation investigations | 15 days ago
- September 2: GM Transmission Class Action Lawsuit Continues After Appeal news | 16 days ago
- September 2: GM Duramax Lawsuit Partially Brought Back on Appeal news | 16 days ago
- August 4: GM Peeling Paint Class Action Lawsuit Says Recall Needed news | 45 days ago
- July 31: GM Duramax Diesel CP4 Fuel Pump Lawsuit Settlement news | 49 days ago
GMC TSB #N192266751
2020 GMC Sierra 1500
TSB Document:
Affected Component: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- Summary
- N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). 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.