P00AA
Intake Air Temperature Sensor 1 Circuit Bank 2
Generic OBD-II
Real-world scan data
Seen in
113
scans in the past year
Found in
<0.1%
of scans
<0.1%
of scans that found faults
Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.
Common symptoms
What you'll notice
- Check and clean the intake air temperature sensor 1 in Bank 2
- Inspect and replace any faulty wiring or connectors in the intake air temperature sensor 1 circuit in Bank 2
- Replace the intake air temperature sensor 1 in Bank 2 if it is found to be faulty
- Verify and reset the engine control module (ECM) if necessary to clear any stored error codes related to the intake air temperature sensor 1 circuit in Bank 2
Common causes
Most likely first
- Faulty intake air temperature sensor 1
- Wiring or connector issues related to the intake air temperature sensor 1
- Problems with the engine control unit (ECU) or its related components
- Air intake system blockage or restriction
- Coolant temperature sensor malfunction
How to diagnose & fix
Work through it in order
- Engine rough idle or stalling
- Decreased fuel efficiency
- Trouble starting the vehicle
- Engine misfires or hesitation
- Illuminated check engine light
Read & clear P00AA yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.