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Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptors DTC P0532 Air Conditioning A/C Refrigerant Pressure Sensor Circuit Low Voltage DTC P0533 Air Conditioning A/C Refrigerant Pressure Sensor Circuit High Voltage Diagnostic Fault Information Circuit/System Description The engine control module (ECM) monitors the high side refrigerant pressure through the A/C Conditions for Running the DTC Engine is running. Any of the conditions for setting the DTC are met for 15 seconds. Battery voltage is between 11-18 volts. Conditions for Setting the DTC The ECM detects that the A/C pressure is less than 1 psi (0.01 volt) sets DTC P0532. Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance 5-Volt Reference P0532 P0532 - - A/C Refrigerant Pressure Sensor P0532 P0532 P0533 - Low Reference - P0533 - -
2008 Chevrolet Silverado 1500 2008 HVAC HVAC - Manual - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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