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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 238 (HVAC System - Automatic) >> Diagnostic Information and Procedures >> DTC P0531, P0532, or P0533: Air Conditioning (A/C) Refrigerant Pressure Sensor >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
5 V Reference P0532* P0532* P0533* -
Signal P0532 P0532 P0533 P0531
Low Reference - P0533 - -
* Additional DTCs may be set based on other components that share the 5 V reference circuit.