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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> DTCS B234B To P0693 (TIPM) >> P0533-A/C Pressure Sensor Circuit High >> Possible Causes

Possible Causes

Possible Causes 
(F891) 5-VOLT 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 (F891) 5-VOLT SUPPLY CIRCUIT
(C18) A/C PRESSURE TRANSDUCER SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
(C918) A/C PRESSURE 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. Refer to  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure 

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