DTC U0129-87: Lost Communication with Brake System Control Module Missing Message [08/2020 - 08/2021]: Procedure

1. Perform the Health Check using the Techstream.
2. Read the DTCs.

   Result

   Result	Proceed to
   DTC U0129-87 is output	A
   DTC U0129-87 and other DTCs are output	B

   HINT: 

   If any DTCs other than U0129-87 are output, troubleshoot those DTCs first.

Result: 

A 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

Result: 

B 

GO TO DTC CHART  A25A-FKS SFI SYSTEM