P0AAC
Hybrid/EV Battery Pack Air Temperature Sensor A Circuit
P0AAC is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Air Temperature Sensor A Circuit. Common causes: battery temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Reduced power or performance
- The car goes into 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 sensor circuit connectors
- Corroded contacts or damaged wiring
- Battery management module malfunction
How to Fix
- Check the continuity of the temperature sensor circuit
- Inspect connectors and contacts for damage
- Check the resistance of the temperature sensor
- If necessary, replace the temperature sensor
- Check the operation of the battery management module
Related codes
Error P0AAC by Vehicle Brand
FAQ
What does the P0AAC code mean?
P0AAC is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Air Temperature Sensor A Circuit
What causes a P0AAC error code?
The most common causes of P0AAC include: Battery temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor circuit connectors; Corroded contacts or damaged wiring.
How do I fix a P0AAC diagnostic trouble code?
To fix P0AAC: Check the continuity of the temperature sensor circuit. Inspect connectors and contacts for damage. Check the resistance of the temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0AAC?
Limited driving only, diagnose soon
How much does it cost to fix P0AAC?
The estimated repair cost for P0AAC is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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