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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 167 (Engine Controls And Fuel - 3.6L (LGX LF4) - DTC P0650 To DTC P3436 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2199: Intake Air Temperature (IAT) Sensors 1-2 Not Plausible (LF4) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Cadillac ATS. 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, P0114, P2199 P0111, P0113, P0114, P2199 P0113, P0114, P2199* P0111, P2199
Low Reference - P0111, P0113, P0114, P2199, P222D, P222E P0113, P0114, P2199, P222B, P222D* -
*Internal ECM or sensor damage may occur if the circuit is shorted to B+.
IAT Sensor 2

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Ignition Voltage P0036, P0037, P0050, P0051, P0097, P00F4, P0102, P010C, P2199 P0096, P0097, P00F4, P0101, P0102, P2199, P222E P0690 P0096, P0101, P0103
Signal P0096, P0097, P00F5, P2199 P0096, P0097, P00F4, P2199 P0096, P0097, P00F4, P2199* P0096
Ground - P0096, P0097, P00F4, P0102, P2199 - P0096, P0102
*Internal ECM or sensor damage may occur if the circuit is shorted to B+.
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