P2199
Generic (SAE) Basic entry
Intake Air Temperature Sensor 1 / 2 Correlation
Severity
Medium
Typical repair cost
60 – 500 EUR
System
Powertrain
What it means
P2199 is defined as "Intake Air Temperature Sensor 1 / 2 Correlation". the engine control module stores it when the monitored condition for this component or system is outside the limits programmed by the manufacturer.
Advertisement728 × 90
Symptoms
- Check engine light on
- Rough or unstable idle
- Hesitation or poor acceleration
- Increased fuel consumption
- Possible limp mode with reduced power
Common causes
- Intake Air Temperature Sensor 1 / 2 Correlation worn, contaminated or out of calibration
- Mechanical problem in the system the sensor measures
- Air, vacuum or exhaust leak influencing the reading
- Wrong or low-quality replacement part
- Wiring resistance causing a small voltage offset
How to diagnose
- Compare the live Intake Air Temperature Sensor 1 / 2 Correlation reading with a known-good value or a second sensor at idle and at 2500 rpm
- Check for air, vacuum or exhaust leaks that could skew the reading
- Inspect the component for contamination and clean it if the design allows
- Verify the part number is correct for the engine
- Replace the Intake Air Temperature Sensor 1 / 2 Correlation if the reading remains out of specification
Frequently asked questions
Can I keep driving with P2199?
Usually yes for a short time, but expect reduced performance or higher fuel use. Have it diagnosed within a few days.
Will clearing P2199 fix it?
No. Clearing only erases the stored code; it returns as soon as the monitor runs again unless the cause is repaired.