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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (HVAC System - Manual) >> Diagnostic Information and Procedures >> DTC P0645, P0646, or P0647: A/C) Compressor Clutch Relay >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

P0645 or P0646 

The ECM detects a short to ground or an open at the A/C compressor clutch relay control circuit.

P0647 

The ECM detects a short to voltage at the A/C compressor clutch relay control circuit.

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