Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2012 Lexus LS 460. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
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" below.
LIGHTING SYSTEM:
| DTC Code | Detection Item | Trouble Area | See |
|---|---|---|---|
| B124A | Automatic High Beam Mirror | Inner rear view mirror assembly | Refer to DTC B124A: Automatic High Beam Mirror |
| B124B | Automatic High Beam System | - Steering sensor, VSC system or SFI system - Inner rear view mirror assembly |
Refer to DTC B124B: Automatic High Beam System |
| B124C | Automatic High Beam Camera | Inner rear view mirror assembly | Refer to DTC B124C: Automatic High Beam Camera |
| B124D | Lost Communication with AFS LIN | - Inner rear view mirror assembly - Wire harness - AFS ECU |
Refer to DTC B124D: Lost Communication with AFS LIN; DTC B2432: Lost Communication with Automatic High Beam Sensor |
| B124E | Flasher Relay Circuit | - Turn signal flasher assembly - Main body ECU - Wire harness |
Refer to DTC B124E: Flasher Relay Circuit |
| B1244 | Light Sensor Circuit Malfunction | - Automatic light control sensor - Main body ECU - Wire harness |
Refer to DTC B1244: Light Sensor Circuit Malfunction |
| B2402 | Transistor Relay Overload Malfunction | - Rear combination light assembly LH - Rear combination light assembly RH - Rear light assembly LH - Rear light assembly RH - Center stop light assembly - License plate light assembly - Rear junction block ECU - Wire harness |
Refer to DTC B2402: Transistor Relay Overload Malfunction |
| B2410 | Headlight Swivel Motor LH Communication Malfunction | - AFS ECU - Headlight swivel motor LH - Wire harness |
Refer to DTC B2410: Headlight Swivel Motor LH Communication Malfunction; DTC B2411: Headlight Swivel Motor RH Communication Malfunction |
| B2411 | Headlight Swivel Motor RH Communication Malfunction | - AFS ECU - Headlight swivel motor RH - Wire harness |
Refer to DTC B2410: Headlight Swivel Motor LH Communication Malfunction; DTC B2411: Headlight Swivel Motor RH Communication Malfunction |
| B2412 | Headlight Swivel Motor LH Malfunction | - Headlight swivel motor LH - Wire harness - AFS ECU |
Refer to DTC B2412: Headlight Swivel Motor LH Malfunction; DTC B2413: Headlight Swivel Motor RH Malfunction |
| B2413 | Headlight Swivel Motor RH Malfunction | - Headlight swivel motor RH - Wire harness - AFS ECU |
Refer to DTC B2412: Headlight Swivel Motor LH Malfunction; DTC B2413: Headlight Swivel Motor RH Malfunction |
| B2414 | Steering Position Sensor Malfunction | - Steering sensor - AFS ECU |
Refer to DTC B2414: Steering Position Sensor Malfunction |
| B2415 | Vehicle Speed Sensor Malfunction | - Skid control ECU - AFS ECU |
Refer to DTC B2415: Vehicle Speed Sensor Malfunction |
| B2416 | Height Control Sensor Malfunction | - Height control sensor*1 - Suspension control ECU*2 - Wire harness - AFS ECU |
Refer to DTC B2416: Height Control Sensor Malfunction |
| B2417 | Headlight Beam Level Control Motor LH Malfunction | - Headlight leveling motor LH - Wire harness - AFS ECU |
Refer to DTC B2417: Headlight Beam Level Control Motor LH Malfunction; DTC B2418: Headlight Beam Level Control Motor RH Malfunction |
| B2418 | Headlight Beam Level Control Motor RH Malfunction | - Headlight leveling motor RH - Wire harness - AFS ECU |
Refer to DTC B2417: Headlight Beam Level Control Motor LH Malfunction; DTC B2418: Headlight Beam Level Control Motor RH Malfunction |
| B2420 | AFS ECU Malfunction | AFS ECU | Refer to DTC B2420: AFS ECU Malfunction |
| B2424 | Headlight Leveling Motor LH Communication Malfunction | - Headlight leveling motor LH - Wire harness - AFS ECU |
Refer to DTC B2424: Headlight Leveling Motor LH Communication Malfunction; DTC B2425: Headlight Leveling Motor RH Communication Malfunction |
| B2425 | Headlight Leveling Motor RH Communication Malfunction | - Headlight leveling motor RH - Wire harness - AFS ECU |
Refer to DTC B2424: Headlight Leveling Motor LH Communication Malfunction; DTC B2425: Headlight Leveling Motor RH Communication Malfunction |
| B2427 | CAN Communication Malfunction | - CAN communication system - AFS ECU |
Refer to DTC B2427: CAN Communication Malfunction |
| B2429 | Steering Wheel Position Undecided | - Main body ECU - AFS ECU |
Refer to DTC B2429: Steering Wheel Position Undecided |
| B2432 | Lost Communication with Automatic High Beam Sensor | - Inner rear view mirror assembly - Wire harness - AFS ECU |
Refer to DTC B124D: Lost Communication with AFS LIN; DTC B2432: Lost Communication with Automatic High Beam Sensor |
| B2480 | Headlight Hi LH Circuit Transistor | - Headlight assembly LH - No. 1 headlight bulb LH - Multiplex network front light ECU (Front controller) - Wire harness |
Refer to DTC B2480: Headlight Hi LH Circuit Transistor; DTC B2481: Headlight Hi RH Circuit Transistor |
| B2481 | Headlight Hi RH Circuit Transistor | - Headlight assembly RH - No. 1 headlight bulb RH - Multiplex network front light ECU (Front controller) - Wire harness |
Refer to DTC B2480: Headlight Hi LH Circuit Transistor; DTC B2481: Headlight Hi RH Circuit Transistor |
| B2482 | Clearance Light Circuit Transistor | - Headlight assembly - Clearance light bulb - Multiplex network front light ECU (Front controller) - Wire harness |
Refer to DTC B2482: Clearance Light Circuit Transistor |
HINT:
*1: w/ Coil suspension
*2: w/ Air suspension