DTC U0322-57: Software Incompatibility with Body Control Module Invalid/Incompatible Software Component; DTC U1320-57: Software Incompatibility with Advanced Drive Control Module Invalid / Incompatible Software Component [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2024 Lexus LS 500h, 2023 Lexus LS 500h, and 2022 Lexus LS 500h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC
- Check for DTCs.
Chassis > Front LiDAR > Trouble Codes
Chassis > Rear LiDAR > Trouble Codes
Chassis > Right Side LiDAR > Trouble Codes
Chassis > Left Side LiDAR > Trouble Codes
Result
Result Proceed to DTC is output only from "LiDAR Left" A DTC is output from all of "Front LiDAR", "Rear LiDAR", "Right Side LiDAR" and "Left Side LiDAR" B
Result:
A
REPLACE LIDAR ADVANCED DRIVE ECU ASSEMBLY. Refer to REMOVAL [11/2021 - ]
Result:
B
See step 2
- Check for DTCs.
- UPDATE VEHICLE SPECIFICATION INFORMATION
- Update the vehicle specification information.
Chassis > Advanced Drive Control > Utility
Tester Display Vehicle Information Registration Result
Proceed to NEXT
Result:
NEXT
See step 3
- Update the vehicle specification information.
- CHECK VEHICLE CONTROL HISTORY (RoB) (ADVANCED DRIVE SYSTEM)
- Clear the vehicle control history (RoB).
Chassis > Advanced Drive Control > Utility
Tester Display Vehicle Control History (RoB) - Wait at least 5 minutes.
- Check the vehicle control history (RoB).
Chassis > Advanced Drive Control > Utility
Tester Display Vehicle Control History (RoB) Result
Result Proceed to X2603, X2642 and X2651 are not output A X2603, X2642 or X2651 are output B
Result:
A
END (UPDATE MALFUNCTION)
Result:
B
REPLACE ADVANCED DRIVE ECU ASSEMBLY. Refer to REMOVAL [11/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]
- Clear the vehicle control history (RoB).