GMC TSB #21NA145

2020 GMC Sierra 2500

TSB Document:

Affected Component: EQUIPMENT ADAPTIVE/MOBILITY

Summary
This service bulletin provides U157 software update information to correct customer concerns of radio Software related issues.

Click a tab for more information.

Date Published
JUN 21, 2021
NHTSA TSB #
10200144
Find something helpful? Spread the word.

Become a Fan & Spread the Word