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TSB Document:

Affected Component: EQUIPMENT:APPLIANCE:AIR CONDITIONER

Summary
This PI provides an updated software calibration to the HVAC module for reducing the A/C solenoid valve power down time, a high pitch whine or buzzing noise may be heard from the engine compartment caused by extended solenoid valve operation after the vehicle was shut off.

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Date Published
JUL 08, 2014
NHTSA TSB #
10138571
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