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.
2005 Lexus RX 330 AWDFACTORY OEM SERVICE PROCEDURE
Cruise Control System (Dynamic Laser) DTCS
CRUISE CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (DYNAMIC LASER)
| DTC | Description |
|---|---|
| P0500/21 | Vehicle speed sensor "A" |
| P0503/23 | Vehicle speed sensor "A" Intermittent/Erratic/High |
| P0571/52 | Brake switch "A" circuit |
| P0607/54 | Control module performance |
| P1615/61 | Communication error from distance control ECU to engine ECU |
| P1616/62 | Communication error from engine ECU to distance control ECU |
| U0122/64 | Lost communication with vehicle dynamics control module |
| U0100/65 | Lost communication with ECM/PCM |
| P1575/66 | Warning buzzer malfunction |
| P1578/69 | Brake system malfunction |
| U0235/71 | Communication error from laser radar sensor to distance control ECU |
| U0235/72 | Communication error from distance control ECU to laser radar sensor |
| P1570/73 | Laser sensor malfunction |
| P1572/75 | Improper aiming of laser sensor beam axis |
| P0571/76 | Brake switch "A" circuit |
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.