P0AE8

Hybrid/EV Battery Temperature Sensor D Circuit

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Hybrid system power reduction
The car goes into emergency mode
Incorrect battery temperature readings
Reduced hybrid performance

Causes

Open or short circuit in the sensor circuit
Temperature sensor fault D
Problems with the sensor connector
Wiring harness damage
Battery management module malfunction

How to Fix

Check the integrity of the sensor circuit
Inspect connectors and connections
Test sensor resistance
Replace faulty temperature sensor
Check the operation of the battery management module

Related codes

P0AE6 P0AE7 P0AE9