DTC U1000: CAN Communication Failure (Message Registry) [06/2018 - 09/2022]: Description
WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, 2020 Toyota Corolla, and 2019 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
The headlight ECU sub-assembly LH or headlight ECU sub-assembly RH stores this DTC if it detects an internal malfunction related to the CAN communication system.
AFS
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| U1000 | CAN Communication Failure (Message Registry) | Detection condition:
Malfunction status:
Malfunction duration:
|
Headlight ECU sub-assembly LH | AFS |
AFS (SUB)
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| U1000 | CAN Communication Failure (Message Registry) | Detection condition:
Malfunction status:
Malfunction duration:
|
Headlight ECU sub-assembly RH | AFS (Sub) |