LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE CHART
Tech Tips
If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details code, refer to the "See page" below.
| DTC Code | Detection Item | See page |
|---|---|---|
| B124A*1 | Automatic High Beam Mirror | |
| B124B*1 | Automatic High Beam System | |
| B124C*1 | Automatic High Beam Camera | |
| B124D*1 | Lost Communication with AFS LIN | |
| B124E | Flasher Relay Circuit | |
| B1244 | Light Sensor Circuit Malfunction | |
| B2402 | Transistor Relay Overload Malfunction | |
| B241E*2 | Headlamp Shade Motor LH Circuit | |
| B241F*2 | Headlamp Shade Motor RH Circuit | |
| 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 | |
| B242A*2 | Variation Information Error | |
| B242B*2 | Vehicle Control Information Malfunction | |
| B2420*4 | AFS ECU Malfunction | |
| B2420*2 | AHS ECU Malfunction (EEPROM) | |
| B2424 | Headlight Leveling Motor LH Communication Malfunction | |
| B2425 | Headlight Leveling Motor RH Communication Malfunction | |
| B2427 | CAN Communication Malfunction | |
| B2429 | Steering Wheel Position Undecided | |
| B243A*2 | Headlamp RH Circuit | |
| B2432*1 | Lost Communication with Automatic High Beam Sensor | |
| B2435*2 | Camera Malfunction | |
| B2436*2 | Inner Rear View Mirror Malfunction | |
| B2437*2 | Camera High Temperature Malfunction | |
| B2438*2 | Camera Detection Malfunction | |
| B2439*2 | Headlamp LH Circuit | |
| B2440*2 | Lost Communication with AHS EDU LH Module | |
| B2441*2 | Lost Communication with AHS EDU RH Module | |
| B2442*2 | Lost Communication with Camera Module | |
| B2454*2 | Camera Optic Axis Initialization Incomplete | |
| B2461*1 | Vehicle Information not written in AHB ECU | |
| B2470*2 | Camera Optic Axis Malfunction | |
| B2471*2 | Camera Optic Axis Correction Malfunction | |
| B2480*3 | Headlight Hi LH Circuit Transistor | |
| B2481*3 | Headlight Hi RH Circuit Transistor | |
| B2482 | Clearance Light Circuit Transistor |
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*1: w/ Automatic High Beam System
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*2: w/ Adaptive High Beam System
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*3: except vehicles in china with a pre-crash safety system
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*4: w/o Adaptive High Beam System