OBD Guide

P0C15

Drive Motor B Inverter Phase V Over Temperature

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–222 (est.)

Symptoms

  • Hybrid system power reduction
  • The vehicle goes into emergency mode
  • Check Engine Light Illuminates
  • Possible motor shutdown
  • Overheating of hybrid components

Causes

  • Inverter cooling system malfunction
  • Clogged inverter cooling radiator
  • Cooling fan malfunction
  • Problems with thermal conductive paste
  • Excessive load on the hybrid system

How to Fix

  1. Check the level and condition of the coolant
  2. Inspect the inverter cooling radiator for contamination
  3. Check the operation of the cooling fan
  4. If necessary, replace the heat-conducting paste
  5. Conduct diagnostics of the inverter and electric motor

Related codes

Error P0C15 by Vehicle Brand