P0C4A
Hybrid/EV Battery Pack Coolant Pump A Control Performance
P0C4A is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Pump A Control Performance. Common causes: battery cooling pump malfunction, problems with wiring to the pump. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Hybrid system power reduction
- Battery overheating
- Cooling pump noises
- The vehicle goes into emergency mode
Causes
- Battery cooling pump malfunction
- Problems with wiring to the pump
- Faulty relay or fuse
- Problems with the control module
- Low coolant level
How to Fix
- Check the level and condition of the coolant
- Diagnose the battery cooling pump
- Check the integrity of the wiring and connectors
- Check system relays and fuses
- Scan the control module for errors
Related codes
Error P0C4A by Vehicle Brand
FAQ
What does the P0C4A code mean?
P0C4A is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Pump A Control Performance
What causes a P0C4A error code?
The most common causes of P0C4A include: Battery cooling pump malfunction; Problems with wiring to the pump; Faulty relay or fuse; Problems with the control module.
How do I fix a P0C4A diagnostic trouble code?
To fix P0C4A: Check the level and condition of the coolant. Diagnose the battery cooling pump. Check the integrity of the wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C4A?
Do not drive — repair immediately
How much does it cost to fix P0C4A?
The estimated repair cost for P0C4A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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