OBD Guide

P2D00

Motor Electronics Coolant Pump A Stuck/Stalled

P2D00 is an OBD-II diagnostic trouble code meaning: Motor Electronics Coolant Pump A Stuck/Stalled. Common causes: cooling pump stuck, open or short circuit in the pump circuit. Estimated repair cost: $56–167.

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

Symptoms

  • Engine control unit overheating
  • Reduced engine performance
  • Check Engine Light Illuminates
  • Possible malfunctions in the electronic systems of the car

Causes

  • Cooling pump stuck
  • Open or short circuit in the pump circuit
  • Faulty pump relay or fuse
  • Problems with the control signal from the ECU
  • Worn or damaged pump bearings

How to Fix

  1. Check the coolant pump fuse and relay
  2. Diagnose the electrical circuit of the pump for breaks and short circuits
  3. Check the functionality of the cooling pump
  4. Replace the cooling pump if necessary
  5. Reset the error code and check if it returns

Related codes

Error P2D00 by Vehicle Brand

FAQ

What does the P2D00 code mean?

P2D00 is an OBD-II diagnostic trouble code that indicates: Motor Electronics Coolant Pump A Stuck/Stalled

What causes a P2D00 error code?

The most common causes of P2D00 include: Cooling pump stuck; Open or short circuit in the pump circuit; Faulty pump relay or fuse; Problems with the control signal from the ECU.

How do I fix a P2D00 diagnostic trouble code?

To fix P2D00: Check the coolant pump fuse and relay. Diagnose the electrical circuit of the pump for breaks and short circuits. Check the functionality of the cooling pump. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D00?

Limited driving only, diagnose soon

How much does it cost to fix P2D00?

The estimated repair cost for P2D00 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat