Diagnostic Fault Information
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. 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** | P0113*, P0114 | - |
| *Internal ECM or sensor damage may occur if the circuit is shorted to B+. **Where used. |
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IAT Sensor 2
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| 5 V Reference | P0097, P00F4**, P0651, P11C2**, P2199**, P2227, P2228 | P0096, P00F4**, P0097, P11C2**, P2199**, P2227, P2228 | P0097, P00F4**, P0651, P11C2**, P2199**, P2227, P2228 | - |
| Sensor | P0097, P00F5**, P11C3**, P2199** | P0097, P00F4**, P11C2**, P2199** | P0097*, P00F4**, P11C2**, P2199** | - |
| Low Reference | - | P0097, P00F4**, P0113, P11C2**, P2227, P2229 | - | - |
| *Internal ECM or sensor damage may occur if the circuit is shorted to B+. **Where used. |
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