Pinpoint Test I : DTCS P0748:11, P0748:12, P0748:13, P0778:11, P0778:12, P0778:13: Notes
WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
Refer to OEM WIRING DIAGRAMS (EXCEPT ELECTRIC) for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Four-Wheel Drive Systems - System Operation and Component Description .
AWD: DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| P0748:11 | Pressure Control Solenoid "A" Electrical: Circuit Short To Ground | This DTC sets in continuous memory and on-demand if the AWD clutch solenoid - LH circuit is short to ground. |
| P0748:12 | Pressure Control Solenoid "A" Electrical: Circuit Short To Battery | This DTC sets in continuous memory and on-demand if the AWD clutch solenoid - LH circuit is short to battery. |
| P0748:13 | Pressure Control Solenoid "A" Electrical: Circuit Open | This DTC sets in continuous memory and on-demand if the AWD clutch solenoid - LH circuit is open. |
| P0778:11 | Pressure Control Solenoid "B" Electrical: Circuit Short To Ground | This DTC sets in continuous memory and on-demand if the AWD clutch solenoid - RH circuit is short to ground. |
| P0778:12 | Pressure Control Solenoid "B" Electrical: Circuit Short To Battery | This DTC sets in continuous memory and on-demand if the AWD clutch solenoid - RH circuit is short to battery. |
| P0778:13 | Pressure Control Solenoid "B" Electrical: Circuit Open | This DTC sets in continuous memory and on-demand if the AWD clutch solenoid - RH circuit is open. |
Possible Sources
- Wiring, terminals or connectors
- Rear drive unit (RDU) assembly
- Rear drive unit (RDU) jumper harness
- AWD module