DTC U0400-29: Invalid Data Received - Signal invalid: Action
- Using the manufacturer approved diagnostic system, check the infotainment master controller for related DTCs and refer to the relevant DTC index
- Using the manufacturer approved diagnostic system, check the anti-lock brake system control module for related DTCs and refer to the relevant DTC index
- Using the manufacturer approved diagnostic system, check the steering angle sensor module for related DTCs and refer to the relevant DTC index