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GMC TSB #23-NA-135

2023 GMC Terrain

TSB Document:

MC-10242248-0001.pdf

Affected Component: POWER TRAIN

Summary: This informational bulletin advises the changes to some of the 9-speed automatic transmission oil control changes from previous years.

Click a tab for more information.

Date Published: AUG 16, 2023
NHTSA TSB #: 10242248

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