Is your defective GMC Sierra 1500 actually a LEMON?

Find out in 30 SECONDS or less if it qualifies for a REFUND or a CASH SETTLEMENT.

GMC TSB #PIT5715A

2021 GMC Sierra 1500

TSB Document:

Affected Component: POWER TRAIN

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. 

Click a tab for more information.

Date Published
MAR 22, 2021
NHTSA TSB #
10190415
Find something helpful? Spread the word.

Become a Fan & Spread the Word