Lexus ES: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Lighting System| DTC No. | Detection Item | DTC Output from | Link |
|---|---|---|---|
| B1244 | Light Sensor Circuit | Main Body | |
| B124B | Automatic High Beam System | Main Body | |
| B124C | Automatic High Beam Camera | Main Body | |
| B2410 | Headlight Swivel ECU LH Communication | AFS | |
| B2411 | Headlight Swivel ECU RH Communication | AFS | |
| B2412 | Headlight Swivel Motor LH | AFS | |
| B2413 | Headlight Swivel Motor RH | AFS | |
| B2414 | Steering Position Sensor | AFS | |
| B2414 | Steering Position Sensor | HL AutoLeveling | |
| B2415 | Vehicle Speed Sensor | AFS | |
| B2415 | Vehicle Speed Sensor | HL AutoLeveling | |
| B2417 | Headlight Beam Level Control Motor LH | AFS | |
| B2418 | Headlight Beam Level Control Motor RH | AFS | |
| B241A | Rear Height Control Sensor | AFS | |
| B2424 | Headlight Beam Level Control Motor LH Lost Communication | AFS | |
| B2425 | Headlight Beam Level Control Motor RH Lost Communication | AFS | |
| B242C | Right Headlight ECU Malfunction | AFS (Sub) | |
| B242C | Right Headlight ECU Malfunction | HL AutoLeveling (Sub) | |
| B242D | Left Headlight ECU Malfunction | AFS | |
| B242D | Left Headlight ECU Malfunction | HL AutoLeveling | |
| B242E | Open in IG Circuit | AFS | |
| B242E | Open in IG Circuit | AFS (Sub) | |
| B242E | Open in IG Circuit | HL AutoLeveling | |
| B242E | Open in IG Circuit | HL AutoLeveling (Sub) | |
| B242F | Open in B Power Line | AFS | |
| B242F | Open in B Power Line | AFS (Sub) | |
| B242F | Open in B Power Line | HL AutoLeveling | |
| B242F | Open in B Power Line | HL AutoLeveling (Sub) | |
| B2439 | Headlight LH Circuit | AFS | |
| B2439 | Headlight LH Circuit | HL AutoLeveling | |
| B243A | Headlight RH Circuit | AFS (Sub) | |
| B243A | Headlight RH Circuit | HL AutoLeveling (Sub) | |
| B243D | Left Low Beam Fan Malfunction | AFS | |
| B243E | Right Low Beam Fan Malfunction | AFS (Sub) | |
| B2450 | Height Sensor Initialization Incomplete | AFS | |
| B2451 | Variation Code not Written | AFS | |
| B2451 | Variation Code not Written | HL AutoLeveling | |
| B2452 | Abnormal Height Sensor Data at Initialization | AFS | |
| B2456 | Left Headlight ECU Variation Error | AFS | |
| B2456 | Left Headlight ECU Variation Error | HL AutoLeveling | |
| U0073 | Control Module Communication Bus OFF | AFS (Sub) | |
| U0073 | Control Module Communication Bus OFF | HL AutoLeveling (Sub) | |
| U0073 | Control Module Communication Bus Off | AFS | |
| U0073 | Control Module Communication Bus Off | HL AutoLeveling | |
| U0100 | Lost Communication With ECM/PCM "A" | Main body ECU (multiplex network body ECU) | |
| U0101 | Lost Communication with TCM | AFS | |
| U0101 | Lost Communication with TCM | HL AutoLeveling | |
| U0101 | Lost Communication with TCM | Main body ECU (multiplex network body ECU) | |
| U0120 | Lost Communication With Starter / Generator Control Module | Main body ECU (multiplex network body ECU) | |
| U012587 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message | Forward recognition camera | |
| U0126 | Lost Communication with Steering Angle Sensor Module | AFS (Sub) | |
| U0126 | Lost Communication with Steering Angle Sensor Module | HL AutoLeveling (Sub) | |
| U0126 | Lost Communication with Steering Angle Sensor Module | AFS | |
| U0126 | Lost Communication with Steering Angle Sensor Module | HL AutoLeveling | |
| U0126 | Lost Communication with Steering Angle Sensor Module | Main body ECU (multiplex network body ECU) | |
| U0129 | Lost Communication with Brake System Control Module | AFS | |
| U0129 | Lost Communication with Brake System Control Module | HL AutoLeveling | |
| U0129 | Lost Communication with Brake System Control Module | Main body ECU (multiplex network body ECU) | |
| U012987 | Lost Communication with Brake System Control Module Missing Message | Forward recognition camera | |
| U014087 | Lost Communication with Body Control Module Missing Message | Forward recognition camera | |
| U0142 | Lost Communication with Body Control Module "B" | AFS (Sub) | |
| U0142 | Lost Communication with Body Control Module "B" | HL AutoLeveling (Sub) | |
| U0142 | Lost Communication with Body Control Module "B" | AFS | |
| U0142 | Lost Communication with Body Control Module "B" | HL AutoLeveling | |
| U0151 | Lost Communication with Restraints Control Module | Main body ECU (multiplex network body ECU) | |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | AFS | |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | HL AutoLeveling | |
| U0155 | Lost Communication with Instrument Panel Cluster (IPC) Control Module | Main body ECU (multiplex network body ECU) | |
| U0163 | Lost Communication with Navigation Control Module | Main body ECU (multiplex network body ECU) | |
| U0164 | Lost Communication with HVAC Control Module | Main body ECU (multiplex network body ECU) | |
| U0182 | Lost Communication With Lighting Control Module Front | AFS (Sub) | |
| U0182 | Lost Communication With Lighting Control Module Front | HL AutoLeveling (Sub) | |
| U0182 | Lost Communication with AFS | Main body ECU (multiplex network body ECU) | |
| U0199 | Lost Communication with "Door Control Module A" | Main body ECU (multiplex network body ECU) | |
| U0200 | Lost Communication with "Door Control Module B" | Main body ECU (multiplex network body ECU) | |
| U0208 | Lost Communication with "Seat Control Module A" | Main body ECU (multiplex network body ECU) | |
| U0230 | Lost Communication with Rear Gate Module | Main body ECU (multiplex network body ECU) | |
| U023587 | Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message | Front Recognition Camera (Front Lighting Control) | |
| U023A | Lost Communication With Image Processing Module "A" | Main body ECU (multiplex network body ECU) | |
| U0242 | Lost Communication With Headlamp Control Module "B" | AFS | |
| U0242 | Lost Communication With Headlamp Control Module "B" | HL AutoLeveling | |
| U0293 | Lost Communication with Hybrid Vehicle Control System | AFS | |
| U0293 | Lost Communication with Hybrid Vehicle Control System | HL AutoLeveling | |
| U0293 | Lost Communication With Hybrid Powertrain Control Module | Main body ECU (multiplex network body ECU) | |
| U029387 | Lost Communication with Hybrid Powertrain Control Module Missing Message | Forward recognition camera | |
| U0327 | Software Incompatibility with Vehicle Security Control Module | Main body ECU (multiplex network body ECU) | |
| U1000 | CAN Communication Failure (Message Registry) | AFS | |
| U1000 | CAN Communication Failure (Message Registry) | AFS (Sub) | |
| U1000 | CAN Communication Failure (Message Registry) | HL AutoLeveling | |
| U1000 | CAN Communication Failure (Message Registry) | HL AutoLeveling (Sub) | |
| U1106 | Lost Communication with Electric Parking Brake Module | Main body ECU (multiplex network body ECU) | |
| U1115 | Lost Communication with Tilt & Telescopic Module | Main body ECU (multiplex network body ECU) | |
| U1117 | Lost Communication with Accessory Gateway | Main body ECU (multiplex network body ECU) | |
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Vehicle Control History
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The number of occurrences,
Light Sensor Circuit (B1244)
DESCRIPTION The automatic light control sensor detects ambient light. The sensor creates an electrical signal based on the amount of light detected, and sends the signal to the main body ECU (multiple
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DESCRIPTION The main body ECU (multiplex network body ECU) determines the status of the automatic high beam system based on the automatic high beam system signal from the forward recognition camera.
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Diagnostic Trouble Code Chart
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