DTC U1000: CAN Communication Failure (Message Registry) [06/2018 - 09/2022]: Procedure

WARNING: This page is about a different car, the 2022 Lexus ES 300h, 2021 Lexus ES 300h, 2020 Lexus ES 300h, and 2019 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC OUTPUT

Clear the DTCs.
Chassis > Rear Camera > Clear DTCs

Recheck for DTCs and check that no DTCs are output.

Chassis > Rear Camera > Trouble Codes

HINT:

If the DTC is not output again when rechecking for DTCs, it may have been stored due to a temporary CAN malfunction.
If DTC U1000 is stored frequently but is not output when rechecking for DTCs, attempt to reproduce the conditions when the malfunction occurred.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]

Result

Result	Proceed to
DTC U1000 is output	A
DTC U1000 is not output	B

Result:

REPLACE REAR TELEVISION CAMERA ASSEMBLY. Refer to REMOVAL [06/2018 - 09/2022]

Result:

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]