Diagnostic Trouble Code Chart
WARNING: This page is about a different car, the 2006 Lexus GS 430 and 2006 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE
| DTC No. | Detection | Item Trouble |
|---|---|---|
| B1244 | Light Sensor Circuit Malfunction | Automatic light control sensor Wire harness Multiplex network body ECU |
| B2402 | Transistor Relay Overload Malfunction | Wire harness Multiplex network rear ECU |
| B2412 | Headlight Swivel Motor LH Malfunction | Headlight swivel actuator LH Wire harness AFS ECU |
| B2413 | Headlight Swivel Motor RH Malfunction | Headlight swivel actuator RH Wire harness AFS ECU |
| B2414 | Steering Position Sensor Malfunction | Steering sensor (w/o variable gear ratio steering system) Steering control ECU (w/ variable gear ratio steering system) Wire harness or connector AFS ECU |
| B2415 | Vehicle Speed Sensor Malfunction | Skid control ECU with actuator (3GR-FSE) Skid control ECU (3UZ-FE) Wire harness or connector AFS ECU |
| B2416 | Height Control Sensor Malfunction | Height control sensor Wire harness or connector AFS ECU |
| B2417 | Headlight Beam Level Control Motor LH Malfunction | Headlight beam level control motor LH Wire harness or connector AFS ECU |
| B2418 | Headlight Beam Level Control Motor RH Malfunction | Headlight beam level control motor RH Wire harness or connector AFS ECU |
| B2419 | BEAN Communication Malfunction | Multiplex communication system Wire harness or connector AFS ECU |
| B2420 | AFS ECU Malfunction | AFS |