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Home >> Chrysler >> 2009 >> PT Cruiser Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0533 To P0694 - Gas >> P0533-A/C Pressure Sensor Circuit High >> Possible Causes

Possible Causes

Possible Causes 
(C818) A/C PRESSURE SENSOR SUPPLY CIRCUIT SHORTED TO VOLTAGE
(C18) A/C PRESSURE TRANSDUCER SIGNAL CIRCUIT SHORTED TO VOLTAGE
(C18) A/C PRESSURE TRANSDUCER SIGNAL CIRCUIT SHORTED TO THE (C818) A/C PRESSURE SENSOR SUPPLY CIRCUIT
(C18) A/C PRESSURE TRANSDUCER SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(C918) SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
A/C PRESSURE TRANSDUCER
TOTALLY INTEGRATED POWER MODULE (TIPM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure  .