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Home >> Lexus >> 2008 >> ES 350 >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control >> Vehicle Stability Control System >> DTC C1203/53 ECM Communication Circuit Malfunction >> Inspection Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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 

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