Trouble Code P0531

P0531

Technical Definition:

Air Conditioning (A/C) Refrigerant Pressure (Sensor A) Circuit Range / Performance

Trouble Code: P0531
Address: 0x0531
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs
Technical Description:

Possible Causes:

Possible Symptoms:

A/C Refrigerant Pressure Sensor Circuit Range/Performance

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– A/C system low or over charge with refrigerant
– Faulty A/C refrigerant pressure sensor
– Cooling fans in-operative
– A/C refrigerant pressure sensor circuit open or shorted
– A/C refrigerant pressure sensor circuit poor electrical connection

Specific Makes:

– A/C Inoperative
– A/C Blows Warm