DTC U0402-83: Invalid Data Received from TCM - Value of signal protection calculation incorrect: Action

Using the manufacturer approved diagnostic system carry out a network integrity test
Refer to the appropriate system wiring diagrams and check CAN circuits. Repair wiring harness as required
Using the manufacturer approved diagnostic system check engine control module for related DTCs and refer to the relevant DTC index
Using the manufacturer approved diagnostic system check transmission control module for related DTCs and refer to the relevant DTC index
Using the manufacturer approved diagnostic system check and install latest relevant level of software to the transmission control module