GMC TSB #PIT5715

2020 GMC Sierra 1500

TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
This Preliminary Information provides information to the technician about a additional diagnostic tip for a check engine lamp for DTC p3055 and P3056 and the start/Stop being inoperative. 

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Date Published
OCT 17, 2019
NHTSA TSB #
10167450
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