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Home >> Lexus >> 2011 >> ES 350 >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Stability Control System (Diagnostic Codes & Symptom Tests) >> Vehicle Stability Control System >> DTC C1201/51: Engine Control System Malfunction >> Procedure
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DTC C1201/51: Engine Control System Malfunction: Procedure

  1. CHECK ENGINE CONTROL SYSTEM 
    1. Check if the engine control system DTC is output. Refer to DTC CHECK/CLEAR .

      Result

      Condition Proceed to
      DTC is not output A
      DTC is output B

    B → INSPECT ENGINE CONTROL SYSTEM 

    A → REPLACE ECM