DTC U1000: CAN Communication Failure (Message Registry) [03/2019 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus RC F, 2023 Lexus RC F, 2022 Lexus RC F, 2021 Lexus RC F, and 2020 Lexus RC F. However, it is still accessible from the selected car via links, so may be relevant.
The headlight ECU sub-assembly LH stores this DTC if it detected an internal malfunction related to the CAN communication system.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| U1000 | CAN Communication Failure (Message Registry) | CAN communication failure | Headlight ECU sub-assembly LH | HL AutoLeveling |