GMC TSB #070842006Q

2018 GMC Sierra 2500

TSB Document:

Affected Component: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

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.

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Date Published
NOV 01, 2021
NHTSA TSB #
10205739
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