Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Short to Ground | High Resistance | Open | Short to Voltage | Signal Performance |
|---|---|---|---|---|---|
| Exhaust Differential Pressure Sensor Signal | P2454 | P2453 | P2455 | P2455 | P2453 |
| Exhaust Differential Pressure Sensor 5-Volt Reference | P0117, P0652, P2454 | P2453 | P2455 | P0118, P0653, P2455 | P2453 |
| Exhaust Differential Pressure Sensor Low Reference | - | P2453 | P2455 | - | P2453 |