P0AEA

Hybrid/EV Battery Temperature Sensor D Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Hybrid system power reduction
Increased fuel consumption
Check Engine Light Illuminated
Reduced battery efficiency
Incorrect battery temperature readings

Causes

Open or short circuit in the sensor circuit
Battery temperature sensor malfunction
Poor contact in the sensor connector
Wiring harness damage
Battery management module malfunction

How to Fix

Check the continuity of the temperature sensor circuit
Check the connectors and contacts of the sensor
Replace battery temperature sensor if necessary
Check and repair wiring harness
Test the battery management module

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