OBD Guide

P0CBA

Hybrid/EV Battery Temperature Sensor P Circuit High

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Limitation of operation in electric mode
  • Incorrect battery temperature readings
  • Error message on display

Causes

  • Battery temperature sensor malfunction
  • Open or short circuit in the circuit
  • Poor contact in connectors
  • Problems with the battery management module
  • Corrosion of connections

How to Fix

  1. Check the integrity of wires and connections
  2. Check the resistance of the temperature sensor
  3. Inspect connectors for corrosion
  4. Replace faulty temperature sensor
  5. Scan for other possible error codes

Error P0CBA by Vehicle Brand