Is your defective GMC Sierra 3500 actually a LEMON?

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

TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.

Click a tab for more information.

Date Published
APR 23, 2021
NHTSA TSB #
10195150
Find something helpful? Spread the word.

Become a Fan & Spread the Word