P00AA
Intake Air Temperature Sensor 1 Circuit Bank 2
Generic electrical fault on intake air temperature sensor 1 (typically pre-intercooler) on bank 2. The intake air temperature sensor feeds the ECM's density calculation — a drifted reading miscalculates fuel mass and pushes mixture lean (cold reading) or rich (hot reading).
Generic electrical fault on intake air temperature sensor 1 (typically pre-intercooler) on bank 2. The intake air temperature sensor feeds the ECM's density calculation — a drifted reading miscalculates fuel mass and pushes mixture lean (cold reading) or rich (hot reading).
Common causes
- high
Sensor failed
One of the most commonly reported causes for this code — check this first.
Typical part cost: $40-280
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P00AA mean?
P00AA means "Intake Air Temperature Sensor 1 Circuit Bank 2". It is a generic OBD-II code that points to a fault in the fuel & air metering / auxiliary emission controls.
What are the most common causes of P00AA?
sensor failed — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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