P0C31
Inverter B Cooling System Performance
P0C31 is an OBD-II diagnostic trouble code meaning: Inverter B Cooling System Performance. Common causes: low coolant level, coolant pump malfunction. Estimated repair cost: $56–278.
Symptoms
- Reduced motor power
- Warning messages on the dashboard
- Inverter overheating
- Activation of emergency operation
- Increased noise of the cooling system
Causes
- Low coolant level
- Coolant pump malfunction
- Clogged radiator or pipes
- Problems with temperature sensors
- Cooling fan malfunction
How to Fix
- Check the level and condition of the coolant
- Diagnose the operation of the cooling system pump
- Check the system for leaks
- Clean the radiator and cooling pipes
- Check temperature sensors and their connections
Related codes
Error P0C31 by Vehicle Brand
FAQ
What does the P0C31 code mean?
P0C31 is an OBD-II diagnostic trouble code that indicates: Inverter B Cooling System Performance
What causes a P0C31 error code?
The most common causes of P0C31 include: Low coolant level; Coolant pump malfunction; Clogged radiator or pipes; Problems with temperature sensors.
How do I fix a P0C31 diagnostic trouble code?
To fix P0C31: Check the level and condition of the coolant. Diagnose the operation of the cooling system pump. Check the system for leaks. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C31?
Do not drive — repair immediately
How much does it cost to fix P0C31?
The estimated repair cost for P0C31 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat