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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 360 (DTCS B2346 To U0019 (TIPM)) >> P0533-A/C Pressure Sensor Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
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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