Buick TSB #GCUS-3-852

2017 Buick LaCrosse

TSB Document:

Affected Component: EQUIPMENT ADAPTIVE/MOBILITY

Summary
17075 - Certain vehicles, may have a condition in which the Transmission Range Control Module (TRCM) may develop a broken actuator gear. If the gear breaks the requested shift range will not engage and instead result in a default to Park. The vehicle will then be unable to shift out of Park. Replace the Transmission Range Control Module (TRCM).

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Date Published
FEB 23, 2017
NHTSA TSB #
10113386
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