Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Cadillac DTS. 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 |
|---|---|---|---|---|
| Solenoid Relay Coil Supply | P0412 | P0411, P0412 | P0690 | - |
| Solenoid Relay Control | P0412 | P0411, P0412 | P0411, P0412, P0690 | - |
| Solenoid Relay Switch Supply | P0411 | P0411 | - | - |
| Pump Relay Coil Supply | P0102, P0412, P0418, | P0418 | P0690, P0418 | - |
| Pump Relay Control | P0418 | P0418 | P0411, P0418, P0690, P2431 | - |
| Pump Relay Switch Supply | P0411 | P0411 | - | - |