DTC U011B: Lost Communication with Rocker Arm Control Module "A" [03/2019 - 11/2022]: 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 ECM and continuously variable valve lift controller assembly communicate via the CAN communication system.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| U011B | Lost Communication with Rocker Arm Control Module "A" | CAN communication stops (1 trip detection logic). |
|
Comes on | DTC stored | DTC for Mexico Models - Applies |