GMC TSB #20NA199

2020 GMC Sierra 2500

TSB Document:

Affected Component: EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

Summary
This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU.

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Date Published
DEC 10, 2020
NHTSA TSB #
10186084
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