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.
2016 Lexus GS FFACTORY 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 | Front Damping Force Control Actuator RH Circuit Malfunction |
| C1732 | Front Damping Force Control Actuator LH Circuit Malfunction |
| C1733 | Rear Damping Force Control Actuator RH Circuit Malfunction |
| C1734 | Rear Damping Force Control Actuator LH Circuit Malfunction |
| C1781 | Suspension Control ECU Malfunction |
| C1782 | Power Source Voltage Malfunction |
| C1783 | Speed Signal Communication Error |
| C1784 | Steering Angle Sensor Communication Error |
| C1786 | Master Cylinder Pressure Circuit |
| C1787 | Forward/Rearward/Sideways G Sensor Communication Error |
| C1789 | Vehicle Identification Malfunction |
| C1796 | Front Acceleration Sensor RH Malfunction (Test Mode DTC) |
| C1797 | Front Acceleration Sensor LH Malfunction (Test Mode DTC) |
| C1798 | Rear Acceleration Sensor Malfunction (Test Mode DTC) |
| U0100 | Lost Communication with ECM / PCM "A" |
| 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 |
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.
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