DTC U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [07/2022 - ]: Procedure

1. Using the Techstream, check for electronically controlled brake system DTCs.

   Chassis > ABS/VSC/TRAC > Trouble Codes 

   HINT: 

   If DTC U041881 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 [10/2018 - ] 

Result: 

B 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - ]