OBD Guide

P00AA

Intake Air Temperature Sensor 1 Circuit Bank 2

P00AA is an OBD-II diagnostic trouble code meaning: Intake Air Temperature Sensor 1 Circuit Bank 2. Common causes: intake air temperature (iat) sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Problems starting the engine
  • Reduced engine power
  • Check Engine light comes on

Causes

  • Intake Air Temperature (IAT) Sensor Malfunction
  • Open or short circuit in wiring harness
  • Poor contact in sensor connectors
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the integrity of the IAT sensor wiring harness
  2. Check sensor connections and connectors
  3. Test the IAT sensor using a multimeter
  4. Replace IAT sensor if necessary
  5. Reset the error and check if it returns

Related codes

Error P00AA by Vehicle Brand

FAQ

What does the P00AA code mean?

P00AA is an OBD-II diagnostic trouble code that indicates: Intake Air Temperature Sensor 1 Circuit Bank 2

What causes a P00AA error code?

The most common causes of P00AA include: Intake Air Temperature (IAT) Sensor Malfunction; Open or short circuit in wiring harness; Poor contact in sensor connectors; Problems with the engine control unit (ECU).

How do I fix a P00AA diagnostic trouble code?

To fix P00AA: Check the integrity of the IAT sensor wiring harness. Check sensor connections and connectors. Test the IAT sensor using a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P00AA?

Limited driving only, diagnose soon

How much does it cost to fix P00AA?

The estimated repair cost for P00AA is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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