Genuine OEM Jaguar Transfer Control Module, part number J9C11639. This module electronically manages the operation of the transfer case, coordinating power delivery between axles. It is typically mounted directly to the transfer case assembly. Weighing 0.65 kg, this module ensures precise control and communication within the drivetrain. Opting for a genuine OEM module guarantees correct firmware, calibration, and seamless integration with other vehicle systems.