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GMC TSB #PIT5648C
2019 GMC Sierra 1500
TSB Document:
Affected Component: EQUIPMENT:RECREATIONAL VEHICLE/TRAILER:120/240 VAC ELECTRICAL SYSTEM:WIRING
- Summary
- This Preliminary information communicates an issue with a "Trailer Disconnected Check Connection" message being displayed on the DIC without a trailer ever being connected. Engineering has released updated software calibrations for the Trailer Lighting Control Module.
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