P261A
Coolant Pump B Control Circuit/Open
P261A is an OBD-II diagnostic trouble code meaning: Coolant Pump B Control Circuit/Open. Common causes: open or short circuit in the pump control circuit, coolant pump relay malfunction. Estimated repair cost: $33–167.
Symptoms
- Check Engine light comes on
- Possible problems with cooling the turbine or intercooler
- Reduced engine performance
- Overheating of certain engine components
- Noise or lack of operation of the additional coolant pump
Causes
- Open or short circuit in the pump control circuit
- Coolant pump relay malfunction
- Damage or wear to the pump itself
- Problems with connectors or wiring harness
- Engine control unit malfunction
How to Fix
- Check the integrity of the wiring and connectors in the control circuit
- Check the functionality of the pump relay
- Test the resistance and power supply of the pump
- If necessary, replace the coolant pump
- Check and, if necessary, update the ECU software
Related codes
Error P261A by Vehicle Brand
FAQ
What does the P261A code mean?
P261A is an OBD-II diagnostic trouble code that indicates: Coolant Pump B Control Circuit/Open
What causes a P261A error code?
The most common causes of P261A include: Open or short circuit in the pump control circuit; Coolant pump relay malfunction; Damage or wear to the pump itself; Problems with connectors or wiring harness.
How do I fix a P261A diagnostic trouble code?
To fix P261A: Check the integrity of the wiring and connectors in the control circuit. Check the functionality of the pump relay. Test the resistance and power supply of the pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P261A?
Limited driving only, diagnose soon
How much does it cost to fix P261A?
The estimated repair cost for P261A is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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