Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2020 Lexus UX 200 BaseFACTORY OEM SERVICE PROCEDURE
Adaptive Variable Suspension System
ADAPTIVE VARIABLE SUSPENSION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| C1715 | Front Acceleration Sensor RH Malfunction |
| C1716 | Front Acceleration Sensor LH Malfunction |
| C1717 | Rear Acceleration Sensor Malfunction |
| C1731 | FR Damping Force Control Actuator Circuit |
| C1732 | FL Damping Force Control Actuator Circuit |
| C1733 | RR Damping Force Control Actuator Circuit |
| C1734 | RL Damping Force Control Actuator Circuit |
| C1781 | Suspension Control ECU Malfunction |
| C1783 | Front Wheels Speed Sensor Signal Malfunction |
| C1784 | Steering Sensor Signal Malfunction |
| C1786 | Master Cylinder Pressure Circuit |
| C1787 | (Horizontality) G Sensor Malfunction |
| C1789 | Vehicle Identification Malfunction |
| C1796 | (Up & Down) G Sensor FR |
| C1797 | (Up & Down) G Sensor FL |
| C1798 | (Up & Down) G Sensor Rear |
| U0101 | Lost Communication with TCM |
| U0122 | Lost Communication With Vehicle Dynamics Control Module |
| U0124 | Lost Communication with Lateral Acceleration Sensor Module |
| U0126 | Lost Communication with Steering Angle Sensor Module |
| U0293 | Lost Communication with Hybrid Control Module |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.