DTC U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [12/2021 - ]: Procedure

1. Check for DTCs.

   Chassis > Brake Booster > Trouble Codes 

   Chassis > Brake/EPB > Trouble Codes 

   HINT: 

   If U0418-81 is output in the pre-collision system, electronically controlled brake system DTCs may also have been output. Check the electronically controlled brake system first.

   Result

   Result	Proceed to
   Electronically controlled brake system DTC are not output	A
   Electronically controlled brake system DTC are output	B

Result: 

A 

REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [12/2021 - ] 

Result: 

B 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ]