OBD Guide

P0C8F

Hybrid/EV Battery Temperature Sensor J Circuit Low

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

Symptoms

  • Hybrid system power reduction
  • Check Engine Light Illuminated
  • Switching to emergency mode
  • Reduced battery efficiency
  • Error messages on the display

Causes

  • Open or short circuit in the sensor circuit
  • Battery temperature sensor malfunction
  • Problems with connectors or contact corrosion
  • Battery management module malfunction
  • Wiring harness damage

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Check resistance and sensor signal
  3. Inspect connectors and contacts for damage
  4. Replace temperature sensor if necessary
  5. Check and replace the battery management module if necessary

Related codes

Error P0C8F by Vehicle Brand