P00AC

Intake Air Temperature Sensor 1 Circuit Low Bank 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–56 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Reduced engine power
Check Engine Light Illuminates

Causes

Intake Air Temperature (IAT) Sensor Malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Engine control unit (ECU) malfunction

How to Fix

Check the integrity of the IAT sensor wiring and connectors
Measure the sensor resistance and compare with normalized values
Check the voltage in the sensor circuit
Replace IAT sensor if necessary
Clean or replace connectors if corroded

Related codes

P00AB P00AD P0112 P0113