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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