Intake Air Temperature Too High
Intake air temperature exceeds the safe maximum. Risk of preignition or knock; ECU may reduce power.
Affected components
- Iat sensor
- Intercooler
- Cooling system
Common causes
- High likelihood: Intercooler airflow blocked
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.