Is your defective GMC Yukon actually a LEMON?

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GMC TSB #PIP5621C

2021 GMC Yukon

TSB Document:

MC-10224285-9999.pdf

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

Summary: This Preliminary information communicates to the dealer Â technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.Â

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Date Published: SEP 14, 2022
NHTSA TSB #: 10224285

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