OBD Guide

P2DF6

Coolant Pump E Control Circuit High

P2DF6 is an OBD-II diagnostic trouble code meaning: Coolant Pump E Control Circuit High. Common causes: electric coolant pump malfunction, open or short circuit in control circuit. Estimated repair cost: $56–167.

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

Symptoms

  • Engine overheating
  • Unstable operation of the cooling system
  • Check Engine Light Is On
  • Reduced interior heating efficiency
  • Increased fuel consumption

Causes

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

How to Fix

  1. Check the condition of the electric coolant pump
  2. Diagnose the control circuit for breaks and short circuits
  3. Check pump relays and fuses
  4. Scan the control unit for additional errors
  5. If necessary, replace the electric coolant pump

Related codes

Error P2DF6 by Vehicle Brand

FAQ

What does the P2DF6 code mean?

P2DF6 is an OBD-II diagnostic trouble code that indicates: Coolant Pump E Control Circuit High

What causes a P2DF6 error code?

The most common causes of P2DF6 include: Electric coolant pump malfunction; Open or short circuit in control circuit; Pump relay problems; Engine control unit malfunction.

How do I fix a P2DF6 diagnostic trouble code?

To fix P2DF6: Check the condition of the electric coolant pump. Diagnose the control circuit for breaks and short circuits. Check pump relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2DF6?

Limited driving only, diagnose soon

How much does it cost to fix P2DF6?

The estimated repair cost for P2DF6 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat