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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC P0645, P0646, or P0647 >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

P0645 or P0646 

The A/C compressor is inoperative or always active.

P0647 

The A/C compressor is inoperative.

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