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

1. Check for DTCs.

   for HV Model:

   Refer to DTC CHECK / CLEAR [12/2021 - ]

   for Gasoline Model:

   Refer to DTC CHECK / CLEAR [11/2018 - ]

   Chassis > Brake/EPB > Trouble Codes 

   OK

   Electronically controlled brake system DTCs are not output.

   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

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY. Refer to  REMOVAL [12/2021 - ] 

Result: 

NG 

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM 

for HV Model:

Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2021 - 10/2022] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 10/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2023 - ]

for Gasoline Model:

Refer to DIAGNOSTIC TROUBLE CODE CHART [12/2021 - ]