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.
2009 Lexus LS 460 RWDFACTORY OEM SERVICE PROCEDURE
Lighting System DTCS
LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| B1244 | Light Sensor Circuit Malfunction |
| B2402 | Transistor Relay Overload Malfunction |
| B2410 | Headlight Swivel Motor LH Communication Malfunction |
| B2411 | Headlight Swivel Motor RH Communication Malfunction |
| B2412 | Headlight Swivel Motor LH Malfunction |
| B2413 | Headlight Swivel Motor RH Malfunction |
| B2414 | Steering Position Sensor Malfunction |
| B2415 | Vehicle Speed Sensor Malfunction |
| B2416 | Height Control Sensor Malfunction |
| B2417 | Headlight Beam Level Control Motor LH Malfunction |
| B2418 | Headlight Beam Level Control Motor RH Malfunction |
| B2420 | AFS ECU Malfunction |
| B2423 | AFS ECU Installation Error |
| B2424 | Headlight Leveling Motor LH Communication Malfunction |
| B2425 | Headlight Leveling Motor RH Communication Malfunction |
| B2427 | CAN Communication Malfunction |
| B2429 | Steering Wheel Position Undecided |
| B2480 | Headlight Hi LH Circuit Transistor |
| B2481 | Headlight Hi RH Circuit Transistor |
| B2482 | Clearance Light Circuit Transistor |
| HINT: *1: w/ Coil suspension *2: w/ Air suspension |
|
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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