LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2019 >> ES 350 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (Engine Control System (A25A-FKS) - Diagnostic Codes (12 Of 12), Circuit Tests & Symptom Tests (1 Of 2)) >> SFI System >> DTC U0129-87: Lost Communication with Brake System Control Module Missing Message [08/2021 - ] >> Procedure

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

WARNING: This page is about a different car, the 2024 Lexus ES 250, 2023 Lexus ES 250, 2022 Lexus ES 250, and 2021 Lexus ES 250. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC U0129-87) 
    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-FXS SFI SYSTEM 

scientia non olet · About LEMON Manuals