P1466
A/C Refrigerant Temperature Sensor/Circuit Malfunction
P1466 is an OBD-II diagnostic trouble code meaning: A/C Refrigerant Temperature Sensor/Circuit Malfunction. Common causes: refrigerant temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect operation of the air conditioning system
- Automatic air conditioning shutdown
- Insufficient interior cooling
- Air conditioning indicator flashing
- Increased fuel consumption
Causes
- Refrigerant temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Low refrigerant level in the system
- Air conditioning control unit malfunction
How to Fix
- Check the refrigerant level in the system
- Inspect the sensor circuit for damage
- Check sensor connectors and contacts
- Test the coolant temperature sensor
- Replace sensor if necessary
Related codes
Error P1466 by Vehicle Brand
FAQ
What does the P1466 code mean?
P1466 is an OBD-II diagnostic trouble code that indicates: A/C Refrigerant Temperature Sensor/Circuit Malfunction
What causes a P1466 error code?
The most common causes of P1466 include: Refrigerant temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Low refrigerant level in the system.
How do I fix a P1466 diagnostic trouble code?
To fix P1466: Check the refrigerant level in the system. Inspect the sensor circuit for damage. Check sensor connectors and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1466?
Yes, but get it checked soon
How much does it cost to fix P1466?
The estimated repair cost for P1466 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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