P0C74
Motor Electronics Coolant Pump B Control Performance
P0C74 is an OBD-II diagnostic trouble code meaning: Motor Electronics Coolant Pump B Control Performance. Common causes: electronic cooling pump b malfunction, open or short circuit in the pump control circuit. Estimated repair cost: $56–167.
Symptoms
- Engine overheating
- Unstable engine operation
- Increased fuel consumption
- Check Engine Light Is On
- Reduced engine power
Causes
- Electronic Cooling Pump B Malfunction
- Open or short circuit in the pump control circuit
- Problems with the engine control unit (ECU)
- Faulty pump relay or fuse
- Poor contact in pump connectors
How to Fix
- Check the functionality of cooling pump B
- Check the integrity of the pump control circuit
- Check fuses and relays associated with the pump
- Check the pump connectors and connections
- If necessary, replace the cooling pump
Related codes
Error P0C74 by Vehicle Brand
FAQ
What does the P0C74 code mean?
P0C74 is an OBD-II diagnostic trouble code that indicates: Motor Electronics Coolant Pump B Control Performance
What causes a P0C74 error code?
The most common causes of P0C74 include: Electronic Cooling Pump B Malfunction; Open or short circuit in the pump control circuit; Problems with the engine control unit (ECU); Faulty pump relay or fuse.
How do I fix a P0C74 diagnostic trouble code?
To fix P0C74: Check the functionality of cooling pump B. Check the integrity of the pump control circuit. Check fuses and relays associated with the pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C74?
Limited driving only, diagnose soon
How much does it cost to fix P0C74?
The estimated repair cost for P0C74 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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