P0AAD

Hybrid/EV Battery Pack Air Temperature Sensor A Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

Check Engine light comes on
Reduced vehicle power
Switching to emergency mode
Incorrect battery temperature readings
Reduced performance of the hybrid system

Causes

Battery temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Problems with the battery management module
Software error in the control system

How to Fix

Check the status of the battery temperature sensor
Check the integrity of the sensor circuit and connector
Check resistance and sensor signal
If necessary, replace the temperature sensor
Update Battery Management Module Software

Related codes

P0AAE P0AAF P0AAB