OBD Guide

P261C

Coolant Pump B Control Circuit Low

P261C is an OBD-II diagnostic trouble code meaning: Coolant Pump B Control Circuit Low. Common causes: open or short circuit in the pump control circuit, pump solenoid valve malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine Light Is On
  • Engine overheating in certain modes
  • Reduced engine performance
  • Unstable operation of the cooling system
  • Activating engine emergency mode

Causes

  • Open or short circuit in the pump control circuit
  • Pump solenoid valve malfunction
  • Coolant pump relay problems
  • Engine control unit malfunction
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the integrity of the wiring harness to the pump
  2. Check the resistance of the pump winding
  3. Check the functionality of the pump relay
  4. Inspect connectors for corrosion
  5. Check the output signals of the control unit

Related codes

Error P261C by Vehicle Brand

FAQ

What does the P261C code mean?

P261C is an OBD-II diagnostic trouble code that indicates: Coolant Pump B Control Circuit Low

What causes a P261C error code?

The most common causes of P261C include: Open or short circuit in the pump control circuit; Pump solenoid valve malfunction; Coolant pump relay problems; Engine control unit malfunction.

How do I fix a P261C diagnostic trouble code?

To fix P261C: Check the integrity of the wiring harness to the pump. Check the resistance of the pump winding. Check the functionality of the pump relay. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P261C?

Limited driving only, diagnose soon

How much does it cost to fix P261C?

The estimated repair cost for P261C is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat