OBD Guide

P261E

Coolant Pump B Control Circuit Stuck On

P261E is an OBD-II diagnostic trouble code meaning: Coolant Pump B Control Circuit Stuck On. Common causes: electrical coolant pump malfunction, problems in the wiring harness or pump connectors. Estimated repair cost: $17–94.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–94 (est.)

Symptoms

  • Constant operation of the cooling fan
  • Engine overheating or temperature fluctuations
  • Reduced cooling system efficiency
  • "Check Engine" signal on the dashboard
  • Unstable engine operation at idle

Causes

  • Electrical coolant pump malfunction
  • Problems in the wiring harness or pump connectors
  • Short circuit in control circuit
  • Faulty relay or control unit
  • Mechanical jamming of the pump

How to Fix

  1. Check operation of coolant pump B
  2. Inspect the wiring harness and connectors for damage.
  3. Check pump control circuit for short circuit
  4. Test the relay and control unit
  5. If necessary, replace the coolant pump

Related codes

Error P261E by Vehicle Brand

FAQ

What does the P261E code mean?

P261E is an OBD-II diagnostic trouble code that indicates: Coolant Pump B Control Circuit Stuck On

What causes a P261E error code?

The most common causes of P261E include: Electrical coolant pump malfunction; Problems in the wiring harness or pump connectors; Short circuit in control circuit; Faulty relay or control unit.

How do I fix a P261E diagnostic trouble code?

To fix P261E: Check operation of coolant pump B. Inspect the wiring harness and connectors for damage.. Check pump control circuit for short circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P261E?

Limited driving only, diagnose soon

How much does it cost to fix P261E?

The estimated repair cost for P261E is $17–94. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat