LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> ES 350 >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control >> Vehicle Stability Control System >> DTC C1203/53 ECM Communication Circuit Malfunction >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. CHECK PART NUMBER (ECM AND BRAKE ACTUATOR ASSEMBLY) 
    1. Check that the proper ECM and brake actuator assembly (skid control ECU) are installed.

      OK: 

      Proper ECUs are installed. 

    NG: REPLACE ECUS WITH PROPER ONES 

    OK: REPLACE ECM