Is your defective GMC Sierra 1500 actually a LEMON?

Find out in 30 SECONDS or less if it qualifies for a REFUND or a CASH SETTLEMENT.

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.

Click a tab for more information.

Date Published
OCT 06, 2022
NHTSA TSB #
10226361
Find something helpful? Spread the word.

Become a Fan & Spread the Word