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GMC TSB #22-NA-258

2021 GMC Sierra 1500

TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure you the valve body.

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Date Published
MAR 18, 2024
NHTSA TSB #
10252117
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