P1533
A/C Evaporator Temperature Sensor Circuit High Voltage
P1533 is an OBD-II diagnostic trouble code meaning: A/C Evaporator Temperature Sensor Circuit High Voltage. Common causes: evaporator temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect operation of the air conditioner
- The air conditioner turns off spontaneously
- Evaporator freezing
- Increased fan noise
- Hot air from deflectors
Causes
- Evaporator temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Contact corrosion
- Air conditioning control unit malfunction
How to Fix
- Check the resistance of the evaporator temperature sensor
- Inspect the sensor circuit for damage
- Check the contacts in the sensor connector
- Test the air conditioner control unit
- If necessary, replace the evaporator temperature sensor
Related codes
Error P1533 by Vehicle Brand
FAQ
What does the P1533 code mean?
P1533 is an OBD-II diagnostic trouble code that indicates: A/C Evaporator Temperature Sensor Circuit High Voltage
What causes a P1533 error code?
The most common causes of P1533 include: Evaporator temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Contact corrosion.
How do I fix a P1533 diagnostic trouble code?
To fix P1533: Check the resistance of the evaporator temperature sensor. Inspect the sensor circuit for damage. Check the contacts in the sensor connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1533?
Yes, but get it checked soon
How much does it cost to fix P1533?
The estimated repair cost for P1533 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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