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.
2006 Lexus GS 430FACTORY OEM SERVICE PROCEDURE
Suspension Control DTCS
ADAPTIVE VARIABLE SUSPENSION DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| C1715 | Front Acceleration Sensor RH |
| C1716 | Front Acceleration Sensor LH |
| C1717 | Rear Acceleration Sensor |
| C1725 | Front Damping Force Control Actuator RH Circuit |
| C1726 | Front Damping Force Control Actuator LH Circuit |
| C1727 | Rear Damping Force Control Actuator RH Circuit |
| C1728 | Rear Damping Force Control Actuator LH Circuit |
| C1761 | Suspension Control ECU Malfunction |
| C1773 | VGRS ECU Malfunction |
| C1774 | Low Battery Positive Voltage |
| C1776 | Speed Sensor Circuit |
| C1777 | Steering Angle Sensor Circuit |
| C1787 | EMS Switch Circuit (Test Mode DTC) |
| C1791 | Front Acceleration Sensor RH (Test Mode DTC) |
| C1792 | Front Acceleration Sensor LH (Test Mode DTC) |
| C1793 | Rear Acceleration Sensor (Test Mode DTC) |
| U0100 | Lost Communication with ECM/PCM "A" |
| U0101 | Lost Communication with TCM |
| U0122 | Lost Communication with Vehicle Dynamics Control Module |
| U0126 | Lost Communication with Steering Angle Sensor Module |
| U0130 | Lost Communication with VGRS |
| U0132 | Lost Communication with Ride Level Control Module |
Factory Service Tools
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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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