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.
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HOMESERVICE MANUALSLEXUS2010LX 570REPAIR AND DIAGNOSISGENERAL INFORMATIONDTC INDEXCRUISE CONTROL DTCSDYNAMIC RADAR CRUISE CONTROL SYSTEM
2010 Lexus LX 570
Dynamic Radar Cruise Control System
2010 Lexus LX 570SECTION Dynamic Radar Cruise Control System
DYNAMIC RADAR CRUISE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| P0500 | Vehicle Speed Sensor Malfunction |
| P0503 | Vehicle Speed Sensor "A" Intermittent / Erratic / High |
| P0571 | Stop Light Switch Circuit Malfunction |
| P0575 | Cruise Control Input Circuit |
| P1570 | Radar Sensor Malfunction |
| P1572 | Improper Aiming of Radar Sensor Beam Axis |
| P1575 | Warning Buzzer Malfunction |
| P1578 | Brake System Malfunction |
| P1615 | Communication Error from Distance Control ECU to ECM |
| P1616 | Communication Error from ECM to Distance Control ECU |
| P1617 | Distance Control ECU Malfunction |
| P1630 | Communication Error from VSC to ECM |
| P1631 | Communication Error from ECM to VSC |
| U0100 | Communication Stop from ECM to Distance Control ECU, VSC |
| U0122 | Lost Communication with Vehicle Dynamics Control Module |
| U0123 | Lost Communication with Yaw Rate Sensor Module |
| U0126 | Lost Communication with Steering Angle Sensor Module |
| U0235 | Lost Communication with Cruise Control Front Distance Range Sensor |
| U1101 | Lost Communication with Distance Control ECU |
| U1102 | Lost Communication with Radar Sensor |
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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.