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GMC TSB #21NA169

2020 GMC Terrain

TSB Document:

MC-10205554-9999.pdf

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary: This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.

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Date Published: NOV 29, 2021
NHTSA TSB #: 10205554

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