A P0538 code indicates that the powertrain control module (PCM) has registered voltage readings from the A/C evaporator temperature sensor that are outside of norms, triggering a trouble code.
Where is the evaporator temperature sensor?
The evaporator temperature sensor tells the PCM or ECM the temperature of the evaporator and keeps the evaporator core from freezing . It is usually located inside the hvac case underneath the dash, mounted on the evaporator core.
How do you test evaporator temperature sensor?
Zitat von Youtube: On or near the evaporator. Another common symptom of a faulty evaporator temperature sensor is when the air conditioner is turned on the temperature of the air coming out of the vents will fluctuate.
What is the purpose of an evaporator sensor?
The evaporator temperature sensor or switch is a component commonly found on many road going vehicles. It is a part of the vehicle’s AC system, and as its name implies, detects and monitors the temperature of the AC system’s evaporator.
How much is a evaporator temperature sensor?
between $334 and $410
The average cost for air conditioning evaporator temperature sensor replacement is between $334 and $410. Labor costs are estimated between $292 and $369 while parts are priced at $42. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.
How do you change an AC evaporator temperature sensor?
- Step 1: Locate the evaporator sensor. …
- Step 1: Disconnect the negative battery cable. …
- Step 2: Remove the sensor electrical connector.
- Step 3: Remove the sensor. …
- Step 1: Install the new evaporator temperature sensor. …
- Step 2: Reinstall the electrical connector.
- Step 3: Reinstall the negative battery cable.
- Turn your air conditioner off as well as the power at the main electrical panel.
- Try accessing the evaporator coil inside. The sensor will be near the coil’s location. If the sensor is bent, put it back into place cautiously.
Where is the AC sensor located?
The thermostat sensor is located near the evaporator coils. These coils are inside your air conditioner unit. As the air is sucked through the return vents, the air passes by the sensor and the coils.
How do I fix my AC sensor?
How to Fix the Air Conditioner Sensor