B27C7
Compressor Discharge Refrigerant Temperature Sensor High
B27C7 is an OBD-II diagnostic trouble code meaning: Compressor Discharge Refrigerant Temperature Sensor High. Common causes: refrigerant temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–167.
Symptoms
- Air conditioner doesn't work
- Reduced cooling efficiency
- Automatic compressor shutdown
- Hot air from deflectors
Causes
- Refrigerant temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Low refrigerant level in the system
- Air conditioner radiator dirty
- Air conditioning compressor malfunction
- Problems with the cooling fan
How to Fix
- Check the refrigerant level in the system
- Inspect the air conditioner radiator for dirt
- Check the operation of the cooling system fan
- Test the coolant temperature sensor
- Check the integrity of the wiring harness to the sensor
- If necessary, replace the sensor or compressor
Related codes
FAQ
What does the B27C7 code mean?
B27C7 is an OBD-II diagnostic trouble code that indicates: Compressor Discharge Refrigerant Temperature Sensor High
What causes a B27C7 error code?
The most common causes of B27C7 include: Refrigerant temperature sensor malfunction; Open or short circuit in the sensor circuit; Low refrigerant level in the system; Air conditioner radiator dirty.
How do I fix a B27C7 diagnostic trouble code?
To fix B27C7: Check the refrigerant level in the system. Inspect the air conditioner radiator for dirt. Check the operation of the cooling system fan. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B27C7?
Yes, but get it checked soon
How much does it cost to fix B27C7?
The estimated repair cost for B27C7 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat