Powertrain
generic / SAE
P2199
Intake Air Temperature Sensor 1/2 Correlation
The two intake air temperature sensors disagree by more than the calibrated correlation threshold during stable conditions. The ECU cannot determine which value is correct.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 99
Possible causes
- One IAT sensor drifting high
- Wiring issue on one sensor medium
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–250 €
- Estimated time: 0.3–1 h
- Component: intake air temperature sensor
- Component: iat wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012