OBD Guide

P2D89

Fan 1 Control Module Supply Voltage Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Cooling fan does not turn on
  • Engine overheating
  • Check Engine Light Is On
  • Unstable fan operation
  • Increased coolant temperature

Causes

  • Broken or damaged wiring
  • Oxidation of contacts
  • Fan control module malfunction
  • Relay or fuse problems
  • Poor contact in connectors

How to Fix

  1. Check the condition of the fan circuit fuses
  2. Inspect wiring and contacts for damage
  3. Check the operation of the fan relay
  4. Test the fan control module
  5. If necessary, replace the module or wiring

Related codes

Error P2D89 by Vehicle Brand