Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0451, P0452, P0453, or P0454
| Circuit | Short to Ground | High Resistance | Open | Short to Voltage | Signal Performance |
|---|---|---|---|---|---|
| FTP Sensor 5-Volt Reference | P0107, P0452, P0532, P0641 | P0451 | P0452 | P0453, P0641 | - |
| FTP Sensor Signal | P0452 | P0451 | P0452 | P0453 | P0451, P0454 |
| FTP Sensor Low Reference | - | P0446, P0451 | P0446 | - | - |