P0C4D
Hybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit High
P0C4D is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit High. Common causes: battery cooling pump malfunction, problems with the electrical circuit (open, short circuit). Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- Battery overheating
- Noise or unusual sounds from the cooling pump
- Reduced power or performance
Causes
- Battery cooling pump malfunction
- Problems with the electrical circuit (open, short circuit)
- Faulty relay or fuse
- Errors in the operation of the control system
- Wiring harness damage
How to Fix
- Check the voltage in the pump power circuit
- Inspect the wiring harness for damage
- Check the operation of the battery cooling pump
- Replace faulty components (pump, relays, fuses)
- Reset the error and check the system operation
Related codes
Error P0C4D by Vehicle Brand
FAQ
What does the P0C4D code mean?
P0C4D is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Pump A Supply Voltage Circuit High
What causes a P0C4D error code?
The most common causes of P0C4D include: Battery cooling pump malfunction; Problems with the electrical circuit (open, short circuit); Faulty relay or fuse; Errors in the operation of the control system.
How do I fix a P0C4D diagnostic trouble code?
To fix P0C4D: Check the voltage in the pump power circuit. Inspect the wiring harness for damage. Check the operation of the battery cooling pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C4D?
Yes, but get it checked soon
How much does it cost to fix P0C4D?
The estimated repair cost for P0C4D is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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