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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC P0645, P0646 or P0647: Air Conditioning (A/C) Compressor Clutch Relay Control Circuit >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

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P0645 or P0646 

The A/C compressor is inoperative or always active.

P0647 

The A/C compressor is inoperative.

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