Technical Definition:

Air Conditioning (A/C) Refrigerant Charge Loss

Trouble Code: P0534
Address: 0x0534
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs
Technical Description:

Possible Causes:

Possible Symptoms:

Air Conditioner Refrigerant Charge Loss

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

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