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Home >> Lexus >> 2013 >> ES 350 >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Stability Control System (Diagnostic Codes & Symptom Tests) >> Vehicle Stability Control System >> DTC C1440: Unusual Bank Angle Detected >> Procedure

DTC C1440: Unusual Bank Angle Detected: Procedure

  1. CHECK DTC 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR [06/2012 - ] .
    2. Turn the engine switch off.
    3. Perform a road test.
    4. Check if the same DTC is output. Refer to DTC CHECK / CLEAR [06/2012 - ] .

      Result

      Result Proceed to
      DTC C1440 is output. A
      DTC C1440 is not output. B
      Yaw rate and acceleration sensor DTCs are output. C

    B → END 

    C → See step   3 

    A: Go to next step 

  2. CLEAR DTC 
    1. Clear the DTCs. Refer to DTC CHECK / CLEAR [06/2012 - ] .

      HINT: 

      • If the skid control ECU (brake actuator assembly) determines that the vehicle is being driven at a steep bank angle, the skid control ECU (brake actuator assembly) stores DTC C1440 while VSC operation is temporarily disabled.
      • This is not a malfunction if the system and sensor circuits are normal and if the normal VSC operation resumes.

    NEXT → END 

  3. REPAIR CIRCUITS INDICATED BY OUTPUT DTCS. Refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2012 - ]