DTC P18A5-62: Motion/Position Sensor "A" Signal Circuit - Signal compare failure: Action

Using Jaguar Land Rover approved diagnostic equipment, perform the Transfer Case Healthcheck Application. The application will subsequently test the system and report a DTC if a fault persists
If the fault persists, refer to the electrical circuit diagrams and check the signal circuit between the high/low range position sensor and the transfer case control module for short circuit to ground, short circuit to power, open circuit, high resistance. Repair circuit as required, clear DTC and retest
Start the engine and, using Jaguar Land Rover approved diagnostic equipment, read the DTCs. If the fault persists, install and configure a new high/low range position sensor. Refer to the High/Low Range Position Sensor Replacement Application instructions in the relevant Diagnosis and Testing service information. For additional information, Refer to: TRANSFER CASE
Start the engine and, using Jaguar Land Rover approved diagnostic equipment, read the DTCs. If the fault persists, install a new transfer case control module and configure as a new module. Refer to the Transfer Case Control Module Replacement Application instructions in the relevant Diagnosis and Testing service information. For additional information, Refer to: TRANSFER CASE
Start the engine and, using Jaguar Land Rover approved diagnostic equipment, read the DTCs. If the fault persists, contact Retailer Technical Support to seek approval for replacement of the transfer case prior to exchanging the unit.
NOTE: The transfer case is supplied with a TCCM already installed and calibrated. Thus, there is no calibration work necessary. Refer to the Transfer Case Replacement instructions in the relevant Diagnosis and Testing service information. For additional information, Refer to: TRANSFER CASE