GMC TSB #PIT5713
2020 GMC Sierra 1500
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- This Preliminary information communicates an issue with the engine wiring harness shorting at the left front cylinder head causing any of the following issues: -Â Â IPC gauges sweeping while driving -Â Â Several IPC warning messages and MIL displayed -Â Â Any combination of the following DTC's:Â U0073 U0100 u0101 u0121 u0128 U0129 u0131 U0140 U0146 U0422 U2413 P0107 P0641 C2A07