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Chevrolet TSB #PIT5948B
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 released an updated trailer brake switch, See Customer Satisfaction Program N222384930.
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