P0AAE

Hybrid/EV Battery Pack Air Temperature Sensor A Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Hybrid system power reduction
Increased fuel consumption (in hybrid vehicles)
Warning messages on the dashboard
Reduced battery efficiency
Limitation of operation in electric mode

Causes

Battery temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in connectors
Problems with the battery management module
Corroded contacts or damaged wiring

How to Fix

Check the continuity of the temperature sensor circuit
Inspect connectors and contacts for damage
Check the resistance of the temperature sensor
Replace faulty temperature sensor
Check and update battery management module software

Related codes

P0AAF P0AAD P0AAC