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GMC TSB #21NA124

2021 GMC Acadia

TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

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Date Published
MAY 25, 2021
NHTSA TSB #
10198890
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