OBD Guide

P2DFB

Coolant Pump E Control Module Overtemperature

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

Symptoms

  • Engine overheating
  • Reduced cooling system performance
  • Check Engine light comes on
  • Possible malfunctions of climate control
  • Coolant pump noise

Causes

  • Pump control module malfunction
  • Problems with the electrical power circuit
  • Insufficient module cooling
  • Mechanical damage to the pump
  • Software errors in the control module

How to Fix

  1. Check module electrical connections
  2. Diagnose the operation of the coolant pump
  3. Replace the control module if necessary
  4. Update module software
  5. Check the module cooling system

Related codes

Error P2DFB by Vehicle Brand