🔧 FixIt

P0AAC: Hybrid/EV Battery Pack Air Temperature Sensor A Circuit

What Does P0AAC Mean?

P0AAC is a diagnostic trouble code indicating: Hybrid/EV Battery Pack Air Temperature Sensor A Circuit. This code relates to the hybrid powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

What To Do Next

  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.