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Chevrolet TSB #PIT5948A
2022 Chevrolet Suburban
TSB Document:
Affected Component: TRAILER HITCHES
- Summary
- This Preliminary information communicates that when they connect a trailer to the truck that there is a Service Trailer Brake message displayed in the DIC. When checking for DTC's a C159C sym49 maybe set for the Trailer Brake Control Switch. GM Engineering is aware of the issue and working on a fix.
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