DTC U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [09/2022 - 11/2022]: Procedure
WARNING: This page is about a different car, the 2023 Toyota GR Corolla and 2023 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FOR DTCs
- Using the GTS, check for electronically controlled brake system DTCs.
Chassis > Brake > 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 REMOVAL [09/2022 - 11/2022]
Result:
B
GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM
w/ Electric Parking Brake System: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - 11/2022]
w/o Electric Parking Brake System: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - 11/2022]
- Using the GTS, check for electronically controlled brake system DTCs.