Is your defective GMC Sierra 1500 actually a LEMON?

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GMC TSB #PIT5948B

2022 GMC Sierra 1500

TSB Document:

MC-10232813-9999.pdf

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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Date Published: FEB 14, 2023
NHTSA TSB #: 10232813

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