DTC P0748-13: Pressure Control Solenoid A Electrical - Circuit open: Action
- Refer to the electrical circuit diagrams and check the Rear Drive Unit (RDU) actuator circuits for open circuit, high resistance
- Disconnect the Rear Drive Unit (RDU) pump and actuator and All Wheel Drive Control Module (AWDCM) electrical connectors and visual inspect the connectors for backed out pins, corrosion, damage or worn pins. Repair as required and reconnect both connectors
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. Set the ignition to on and move the Rear Drive Unit (RDU) to All Wheel Drive Control Module (AWDCM) wiring harness, inspecting for damaged or broken wires. If the fault persists, install a new Rear Drive Unit (RDU) to All Wheel Drive Control Module (AWDCM) wiring harness. For additional information, refer to: DIFFERENTIAL CONTROL MODULE - VEHICLES WITH: ACTIVE DRIVELINE .
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new All Wheel Drive Control Module (AWDCM). For additional information, refer to: DIFFERENTIAL CONTROL MODULE - VEHICLES WITH: ACTIVE DRIVELINE .
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new Rear Drive Unit (RDU) actuator. For additional information, refer to: REAR DRIVE UNIT ACTUATOR - VEHICLES WITH: ACTIVE DRIVELINE .