DTC P0702-04: Transmission Control System Electrical - System internal failures: Action

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2015 Land Rover Range Rover, and 2014 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.

Using the Jaguar Land Rover approved diagnostic equipment, check datalogger signal - ECU Power Supply Voltage (0xD112). Check the integrity of the transmission control module electrical connector. Check for correct latching, backed out terminals and corrosion. Refer to the appropriate system wiring diagrams and check the transmission control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary