OBD Guide

P0C7D

Hybrid/EV Battery Temperature Sensor G Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle power
  • Incorrect battery temperature readings on the dashboard
  • Reduced performance of the hybrid system
  • The car goes into emergency mode

Causes

  • Battery temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in connectors
  • Problems with the hybrid system control unit
  • Contact corrosion

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Check sensor connections and connectors
  3. Test the temperature sensor
  4. Replace faulty temperature sensor
  5. Check and, if necessary, update the software of the control unit

Related codes

Error P0C7D by Vehicle Brand