Buick TSB #PIT5997

2021 Buick Envision

TSB Document:

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Summary
This Preliminary information communicates an instance where the interior air quality sensor can create an buzzing or whirring noise.

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Date Published
MAR 30, 2023
NHTSA TSB #
10234251
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