DTC P084F-29: Park/Neutral Switch Output Circuit - Signal invalid: Action
NOTE:
After installing a new transmission control module, perform routines - Configure New Module (Without Transmission Replacement), Transmission Control Module Adaption.
- Using the Jaguar Land Rover approved diagnostic equipment, check for other park lock related DTCs and perform the relevant corrective actions
- Refer to the electrical circuit diagrams and check the park lock engaged signal circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, check that the park position sensor mounting is secured at the correct torque (6Nm) and rectify as required. To gain access to the park position sensor mounting, it is first necessary to remove the ten mounting bolts of the main control valve body and lift the valve body unit from the transmission housing (refer to Automatic Transmission, Removal and Installation, Main Control Valve Body, steps 1 to 5).NOTE: New oil tubes must be installed when the unit is reassembled. The park position sensor is located inside the main casing, adjacent to the electrical connector. The sensor is secured to a boss in the main casing with a screw
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new transmission control module