OBD Guide

P261D

Coolant Pump B Control Circuit High

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Possible problems with heating the interior
  • The cooling fan can run continuously
  • In some cases - increased engine temperature
  • Reduced cooling system efficiency

Causes

  • Additional coolant pump malfunction
  • Open or short circuit in control circuit
  • Pump relay problems
  • Engine control module malfunction
  • Oxidation of contacts in connectors

How to Fix

  1. Check the functionality of the additional coolant pump
  2. Check the integrity of the wiring and connectors in the control circuit
  3. Check relays and fuses associated with the pump
  4. Scan the control module for other errors
  5. If necessary, replace the pump or repair the wiring

Related codes

Error P261D by Vehicle Brand