P0C49
Hybrid/EV Battery Pack Coolant Pump A Control Circuit High
P0C49 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Pump A Control Circuit High. Common causes: broken or damaged pump wiring harness, pump solenoid valve malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced performance of the hybrid system
- Battery overheating
- Noise or lack of operation of the cooling pump
- Reduced vehicle power
Causes
- Broken or damaged pump wiring harness
- Pump solenoid valve malfunction
- Problems with the control unit
- Corrosion or poor contact in connectors
- Malfunction of the cooling pump itself
How to Fix
- Check the integrity of the pump wiring harness
- Check connectors and contacts for corrosion
- Test control circuit resistance
- Replace the cooling pump if necessary
- Check and update the control unit software
Related codes
Error P0C49 by Vehicle Brand
FAQ
What does the P0C49 code mean?
P0C49 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Pump A Control Circuit High
What causes a P0C49 error code?
The most common causes of P0C49 include: Broken or damaged pump wiring harness; Pump solenoid valve malfunction; Problems with the control unit; Corrosion or poor contact in connectors.
How do I fix a P0C49 diagnostic trouble code?
To fix P0C49: Check the integrity of the pump wiring harness. Check connectors and contacts for corrosion. Test control circuit resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0C49?
Do not drive — repair immediately
How much does it cost to fix P0C49?
The estimated repair cost for P0C49 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat