P26CA
Engine Coolant Pump Control Circuit/Open
P26CA is an OBD-II diagnostic trouble code meaning: Engine Coolant Pump Control Circuit/Open. Common causes: broken wiring in the pump control circuit, coolant pump relay malfunction. Estimated repair cost: $56–167.
Symptoms
- Engine overheating
- Unstable operation of the cooling system
- Check Engine Light Is On
- Reduced interior heating efficiency
- Coolant pump noise
Causes
- Broken wiring in the pump control circuit
- Coolant pump relay malfunction
- Damage to the electric pump
- Connector problems or contact corrosion
- Engine control unit malfunction
How to Fix
- Check the integrity of the wiring and connectors in the control circuit
- Test the coolant pump relay
- Check the resistance of the pump winding
- Diagnose the engine control unit for errors
- If necessary, replace the coolant pump
Related codes
Error P26CA by Vehicle Brand
FAQ
What does the P26CA code mean?
P26CA is an OBD-II diagnostic trouble code that indicates: Engine Coolant Pump Control Circuit/Open
What causes a P26CA error code?
The most common causes of P26CA include: Broken wiring in the pump control circuit; Coolant pump relay malfunction; Damage to the electric pump; Connector problems or contact corrosion.
How do I fix a P26CA diagnostic trouble code?
To fix P26CA: Check the integrity of the wiring and connectors in the control circuit. Test the coolant pump relay. Check the resistance of the pump winding. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P26CA?
Do not drive — repair immediately
How much does it cost to fix P26CA?
The estimated repair cost for P26CA is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat