DTC P0615-81: Starter Relay A Circuit - Invalid serial data received: Action
- Check powertrain control module for additional DTCs and refer to relevant DTC index. Rectify these first
- Refer to the appropriate system wiring diagram and check the power and ground connections to the module
- Using the Jaguar Land Rover approved diagnostic equipment check and install latest relevant level of software to the powertrain control module
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest
- Check and install a new powertrain control module as required. Using the Jaguar Land Rover approved diagnostic equipment, configure the powertrain control module as a new module