DTC P18A8-74: Differential Actuator Brake Control - Actuator slipping: Action

NOTE: After installing a new rear differential control module, differential locking motor or electric differential, clear the DTCs and calibrate the system by performing routine - On Demand Self Test.

Using the Jaguar Land Rover Approved Diagnostic Equipment, clear the DTCs and perform routine - On Demand Self Test. If the fault persists, install a new differential locking motor