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Home >> Lexus >> 2012 >> IS F >> 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 .
    2. Perform a road test.
    3. Check if the same DTC is recorded. Refer to DTC CHECK / CLEAR .

      Result

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

      HINT: 

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

    NEXT → END 

  3. REPAIR CIRCUIT INDICATED BY OUTPUT DTC. Refer to  DIAGNOSTIC TROUBLE CODE CHART