GMC TSB #PIT5909B

2020 GMC Sierra 1500

TSB Document:

Affected Component: EQUIPMENT:ELECTRICAL

Summary
This Preliminary information communicates that it is normal for the tailgate to drop faster than it used to after the GM Accessory Kicker Audio System is installed.

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Date Published
JUL 31, 2023
NHTSA TSB #
10240804
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