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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 99 (HVAC - Automatic) >> Diagnostic Information and Procedures >> DTC P0645, P0646, or P0647 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0645, P0646 

A/C Compressor Clutch Relay Control = OpenorShort to Ground

DTC P0647 

A/C Compressor Clutch Relay Control = Short to Voltage

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