DTC U0122: Lost Communication with Vehicle Dynamics Control Module [09/2014 - 11/2017]: Description
WARNING: This page is about a different car, the 2017 Lexus RC F, 2016 Lexus RC F, and 2015 Lexus RC F. However, it is still accessible from the selected car via links, so may be relevant.
The ECM receives signals from the brake actuator assembly (skid control ECU) via CAN communication.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0122 | Lost Communication with Vehicle Dynamics Control Module | When vehicle speed is 40 km/h (25 mph) or more and cruise control switch (ON/OFF button) is on, data cannot be received from brake actuator assembly (skid control ECU) for 2.5 seconds or more. |
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