GMC TSB #21NA260

2020 GMC Savana

TSB Document:

Affected Component: EQUIPMENT

Summary
This technical bulletin provides repair information to correct a customer concern of Lack of Power or Poor Performance During High Ambient Temperatures with RPO (C7N) 12,300 LB GVWR or (C4M) 9,900 LB GVWR.

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Date Published
NOV 29, 2021
NHTSA TSB #
10205580
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