DTC U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [06/2018 - 08/2021]: Description
WARNING: This page is about a different car, the 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.
The skid control ECU (brake booster with master cylinder assembly) sends signals indicating the status of the electronically controlled brake system to the forward recognition camera via CAN communication.
If the forward recognition camera receives an electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly), it will store this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0418-81 | Invalid Data Received from Brake System Control Module Invalid Serial Data Received | When the power switch is on (IG) for 3 seconds or more, the forward recognition camera receives electronically controlled brake system malfunction signal from the skid control ECU (brake booster with master cylinder assembly) for 1 second or more. |
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