TSB Document:

Affected Component: EQUIPMENT ADAPTIVE/MOBILITY

Summary
VALVE BODY, Complete For concern of harsh shifting occurring during one or more of the following events: - Upshifting from 2nd to 3rd - Upshifting from 4th to 5th - Downshifting 4th to 3rd while coasting - Downshifting 2nd to 1st while coasting - During lift foot or change of mind shifts Scan the vehicle for DTC?s. If none are related to transmission performance, test drive the vehicle and attempt to duplicate the customers concern. If the rough shifting occurs during one or more of the events listed above, then this is a known issue. Engineering is aware and developing a resolution to address these concerns. A Quick Learn can be performed to improve these concerns. But the concerns may reappear again and another Quick Learn may need to be performed. Valve body and/or transmission replacement WILL NOT correct these concerns. If DTC?s for the transmissions performance are found. Follow the DTC flow charts to root cause the customer concern.

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Date Published
NOV 18, 2020
NHTSA TSB #
10184379
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