Technical Definition:
Air Conditioning (A/C) Evaporator Temperature Sensor Circuit High
Trouble Code: P0538
Address: 0x0538
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs
Address: 0x0538
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs
Technical Description:
Possible Causes:
Possible Symptoms:
A/C Evaporator Temperature Circuit High Input
Possible Solutions:
OBD-II Trouble Code Type:
Diagnostic Step:
Tech Notes:
– Faulty A/C Evaporator Temperature Sensor
– A/C Evaporator Temperature Sensor harness is open or shorted
– A/C Evaporator Temperature Sensor circuit poor electrical connection
Specific Makes:
– A/C Inoperative
– A/C Blows Warm