Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Isuzu i-370, 2007 GMC Canyon, and 2007 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0412 or P0418
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Pressure Sensor 5-Volt Reference Voltage | P2432 | P2431 | P2431 | P2430, P2431 |
| Pressure Sensor Signal | P2432 | P2432 | P2433 | P2430, P2431 |
| Pressure Sensor Low Reference | - | P2433 | - | - |
| Pump Voltage Supply | P0411 | P0411 | 2444 | - |
| Pump Ground | - | P0411 | - | - |
| Solenoid Voltage Supply | P0411 | P0411 | P2440 | - |
| Solenoid Ground | - | P0411 | - | - |
| Pump Relay Coil Voltage Supply | P0411, P0418 | P0411, P0418 | - | - |
| Pump Relay Coil Control | P0418, P2444 | P0411, P0418 | P0418 | - |
| Pump Relay Switch Supply | P0411 | P0411 | - | - |
| Solenoid Relay Coil Voltage Supply | P0411, P0412 | P0411, P0412 | - | - |
| Solenoid Relay Coil Control | P0412, P2440 | P0411, P0412 | P0412 | - |
| Solenoid Relay Switch Supply | P0411 | P0411 | - | - |