P26F4
Coolant Pump C Control Circuit/Open
P26F4 is an OBD-II diagnostic trouble code meaning: Coolant Pump C Control Circuit/Open. Common causes: pump control circuit open, coolant pump malfunction. Estimated repair cost: $33–111.
Symptoms
- Engine overheating
- Unstable engine operation
- Check engine light comes on
- Reduced cooling efficiency
- Increased fuel consumption
Causes
- Pump control circuit open
- Coolant pump malfunction
- Pump relay problems
- Wiring harness damage
- Engine control unit malfunction
How to Fix
- Check the integrity of the pump control circuit
- Diagnose the coolant pump
- Check pump relay
- Inspect the wiring harness for damage
- If necessary, replace the pump or relay
Related codes
Error P26F4 by Vehicle Brand
FAQ
What does the P26F4 code mean?
P26F4 is an OBD-II diagnostic trouble code that indicates: Coolant Pump C Control Circuit/Open
What causes a P26F4 error code?
The most common causes of P26F4 include: Pump control circuit open; Coolant pump malfunction; Pump relay problems; Wiring harness damage.
How do I fix a P26F4 diagnostic trouble code?
To fix P26F4: Check the integrity of the pump control circuit. Diagnose the coolant pump. Check pump relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P26F4?
Do not drive — repair immediately
How much does it cost to fix P26F4?
The estimated repair cost for P26F4 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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