OBD Guide

P26F5

Coolant Pump C Control Circuit Low

P26F5 is an OBD-II diagnostic trouble code meaning: Coolant Pump C Control Circuit Low. Common causes: open or short circuit in the pump control circuit, coolant pump motor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Engine overheating (in some cases)
  • Reduced engine power
  • Activation of emergency operation
  • Unstable operation of the cooling system

Causes

  • Open or short circuit in the pump control circuit
  • Coolant pump motor malfunction
  • Problems with the pump circuit relay or fuse
  • Engine control unit malfunction
  • Poor contact in control circuit connectors

How to Fix

  1. Check fuses and relays associated with the coolant pump
  2. Check the integrity of the wiring and connectors in the control circuit
  3. Check the resistance and operation of the pump motor
  4. Check control signals from the engine control unit
  5. If necessary, replace the coolant pump or repair the wiring

Related codes

Error P26F5 by Vehicle Brand

FAQ

What does the P26F5 code mean?

P26F5 is an OBD-II diagnostic trouble code that indicates: Coolant Pump C Control Circuit Low

What causes a P26F5 error code?

The most common causes of P26F5 include: Open or short circuit in the pump control circuit; Coolant pump motor malfunction; Problems with the pump circuit relay or fuse; Engine control unit malfunction.

How do I fix a P26F5 diagnostic trouble code?

To fix P26F5: Check fuses and relays associated with the coolant pump. Check the integrity of the wiring and connectors in the control circuit. Check the resistance and operation of the pump motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P26F5?

Limited driving only, diagnose soon

How much does it cost to fix P26F5?

The estimated repair cost for P26F5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat