OBD Guide

P0AEB

Hybrid/EV Battery Temperature Sensor D Circuit High

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

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

Causes

  • Battery temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Wiring Harness Problems
  • Battery management module malfunction
  • Contact corrosion

How to Fix

  1. Check the status of the battery temperature sensor
  2. Check the integrity of the circuit and connection
  3. Check sensor resistance
  4. Inspect the wiring harness for damage
  5. Check the operation of the battery management module
  6. Repair only from an authorized dealer

Related codes

Error P0AEB by Vehicle Brand