DTC U0402-29: Invalid Data Received from TCM - Signal invalid: Action

NOTE: Monitor description . Integrity check of transmission control module CAN signal

Check transmission control module for related DTCs and refer to the relevant DTC index
Check transmission control switch for related DTCs and refer to the relevant DTC index
Using the Jaguar Land Rover approved diagnostic equipment, complete a CAN network integrity test. Refer to the appropriate system wiring diagrams and check CAN circuits if required. Repair harness as required