DTC U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [06/2018 - 08/2021]: Procedure
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.
- CHECK FOR DTCs
- Using the Techstream, check for electronically controlled brake system DTCs.
Chassis > ABS/VSC/TRAC > Trouble Codes
HINT:
If DTC U0418-81 is output by the pre-collision system, perform troubleshooting for the electronically controlled brake system.
Result
Result Proceed to DTCs are not output A DTCs are output B
Result:
A
REPLACE FORWARD RECOGNITION CAMERA. Refer to COMPONENTS [06/2018 - ]
Result:
B
GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]
- Using the Techstream, check for electronically controlled brake system DTCs.