OBD Guide

P26F6

Coolant Pump C Control Circuit High

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–167 (est.)

Symptoms

  • Engine overheating
  • Unstable operation of the cooling system
  • Check Engine Light Illuminates
  • Reduced cooling efficiency

Causes

  • Coolant pump malfunction
  • Wiring harness damage
  • Short circuit in control circuit
  • Engine control module (ECU) malfunction

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the functionality of the coolant pump
  3. Diagnose the engine control module
  4. Replace faulty components

Related codes

Error P26F6 by Vehicle Brand