P1533 GMC Code - A/C Evaporator Temperature Sensor Circuit High Voltage
Quick Answer
The P1533 code for GMC vehicles indicates a problem with the A/C Evaporator Temperature Sensor Circuit showing high voltage. Common causes include Faulty A/C evaporator temperature sensor, Damaged or corroded wiring connected to the sensor, Electrical issues within the air conditioning system. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- P1533 GMC indicates A/C Evaporator Temperature Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty A/C evaporator temperature sensor, Damaged or corroded wiring connected to the sensor, Electrical issues within the air conditioning system.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code P1533 GMC Description
The P1533 code for GMC vehicles indicates a problem with the A/C Evaporator Temperature Sensor Circuit showing high voltage. The A/C evaporator temperature sensor is a crucial component of the vehicle's air conditioning system, as it helps regulate the temperature inside the vehicle by monitoring the evaporator's temperature. When the sensor detects high voltage in the circuit, it means that there is an issue with the sensor or the wiring connected to it.
Common Causes of P1533 GMC
- Faulty A/C evaporator temperature sensor
- Damaged or corroded wiring connected to the sensor
- Electrical issues within the air conditioning system
- Issues with the air conditioning control module
- Poor connection between the sensor and the vehicle's ECM
Symptoms of P1533 GMC
- Inconsistent cooling performance from the air conditioning system
- Air conditioning blowing warm air instead of cold
- Unusual odors coming from the air conditioning vents
- Air conditioning system constantly cycling on and off
- Check engine light illuminated on the dashboard
How to Fix P1533 GMC
- Begin by diagnosing the specific cause of the high voltage in the A/C evaporator temperature sensor circuit using a diagnostic scanner.
- Inspect the sensor and wiring for any visible damage or corrosion. Replace the sensor if it is faulty and repair any damaged wiring.
- Check the electrical connections within the air conditioning system to ensure they are secure and functioning correctly.
- Clear the diagnostic trouble codes from the vehicle's ECM using the diagnostic scanner.
- Test the air conditioning system to verify that the issue has been resolved and that the A/C evaporator temperature sensor is now operating within normal parameters.
Cost to Fix P1533 GMC
The typical repair costs for addressing a P1533 code related to the A/C Evaporator Temperature Sensor Circuit High Voltage can range from $150 to $400, including parts and labor. However, it's important to note that actual costs may vary depending on the specific make and model of the vehicle, the location of the repair shop, and the rates charged for diagnosis and labor. It is recommended to contact local auto repair shops for accurate pricing information.
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