Buick TSB #17NA190

2017 Buick LaCrosse

TSB Document:

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

Summary
This informational bulletin provides information for technicians during diagnosis for DTC U0420.

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Date Published
MAR 21, 2018
NHTSA TSB #
10137405
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