GMC TSB #PIE0556

2020 GMC Sierra 1500

TSB Document:

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the transmission.

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the transmission.

Date Published
MAR 06, 2020
NHTSA TSB #
10174442
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