OBD Guide

P2C72

Hybrid/EV Electronics Cooling System Performance

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–278 (est.)

Symptoms

  • Reduced vehicle power
  • Warning messages on the dashboard
  • Overheating of electronic components
  • Increased fan noise
  • Reduced performance of the hybrid system

Causes

  • Low coolant level
  • Coolant pump malfunction
  • Clogged radiator or cooler
  • Problems with temperature sensors
  • Malfunction of the electronic control unit of the cooling system

How to Fix

  1. Check the level and condition of the coolant
  2. Diagnose the operation of the cooling system pump
  3. Check the radiator and cooler for blockages
  4. Test temperature sensors and their wiring
  5. Conduct diagnostics of the electronic control unit

Related codes

Error P2C72 by Vehicle Brand