CAR OBD CODES
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OBD CODES

CAR OBD CODES



OBD/DTC Search, e.g.P0538

CAR OBD CODES P0538

P0538 OBD Code Definition:
P0538 A/C Evaporator Temperature Circuit High Input
P0538 OBD Code Description:

OBD Code P0538

A/C Evaporator Temperature Sensor Circuit High

What’s mean?

OBD2 Code P0538 Definition:
The PCM sources a low current 5 volts on the A/C Evaporator Temperature (ACET) sensor circuit. As the A/C evaporator air temperature changes, the ACET circuit resistance changes (which changes the voltage the PCM detects). Symptoms

Possible sumptoms of P0538
– Engine Light ON (or Service Engine Soon Warning Light) – A/C Inoperative – A/C Blows Warm Possible Causes

Possible causes of P0538
– A/C evaporator temperature sensor circuit is open or short – Poor electrical connection at the evaporator temperature sensor circuit – Faulty Evaporator Temperature sensor The Error code is generally activated on detection of the following conditions: When the ACET signal is detected above the self-test minimum the PCM will triggered the P0538 code. Possible Solutions


Note: The information on the P0538 error code is purely informative, if you need more useful information, please consult your technician.

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