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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 356 (Engine Controls And Fuel - 3.6L (LGX) - DTC P0446 To DTC P3436 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2199: Intake Air Temperature (IAT) Sensor 1-2 Not Plausible >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
IAT Sensor 1

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Signal P0112, P0113, P2199 P0113, P2199 P0112*, P2199 P0111*, P2199
Low Reference - P0113, P2199, P2227, P2229 P0113*, P0114 P0096, P0111*, P2199
*Internal ECM or sensor damage may occur if the circuit is shorted to B+.
IAT Sensor 2 and Intake Air Humidity

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Ignition Voltage P0096, P0097, P00F4, P0102, P2199 P0097, P00F4, P0102, P2199 - P0096
Signal P0097, P00F4, P2199 P0097, P00F4, P2199 P0097*, P00F5*, P2199* P0096
Ground - P0096, P0097, P00F4, P0102, P2199 - P0096
*Internal ECM or sensor damage may occur if the circuit is shorted to B+.
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