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Home >> Lexus >> 2021 >> LC 500 2D Convertible >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> DTC Index (Convertible) (2 Of 2) >> Lighting (Ext) DTCS >> Lighting System
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Lighting System

LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [07/2020 - 05/2023]

DTC Code Description
B1244 Light Sensor Circuit Malfunction
B124B Automatic High Beam System
B124C Automatic High Beam Camera
B2414 Steering Position Sensor Malfunction
B2415 Vehicle Speed Sensor Malfunction
B241A Rear Height Control Sensor
B241B Front Height Control Sensor
B242C Right Headlight ECU Malfunction
B242D Left Headlight ECU Malfunction
B242E Open in IG Circuit
B242E Open in IG Circuit
B242F Open in B Power Line
B242F Open in B Power Line
B2439 Headlight LH Circuit
B243A Headlight RH Circuit
B243D Left Low Beam Fan Malfunction
B243E Right Low Beam Fan Malfunction
B2451 Vehicle Specifications have not been Stored
B2456 Left Headlight ECU Variation Error
U0073 Control Module Communication Bus Off
U0073 Control Module Communication Bus Off
U0100 Lost Communication with ECM / PCM "A"
U0100 Lost Communication with ECM / PCM "A"
U0100 Lost Communication with ECM/PCM/EV "A"
U0101 Lost Communication with TCM
U0101 Lost Communication with TCM
U0101 Lost Communication with TCM
U0126 Lost Communication with Steering Angle Sensor
U0126 Lost Communication with Steering Angle Sensor
U0126 Lost Communication with Steering Angle Sensor Module
U0129 Lost Communication with Brake System Control Module
U0129 Lost Communication with Brake System Control Module
U0129 Lost Communication with Brake System Control Module
U0132 Lost Communication with Suspension Control ECU
U0132 Lost Communication with Suspension Control ECU
U0142 Lost Communication with Body Control Module "B"
U0142 Lost Communication with Body Control Module "B"
U0151 Lost Communication with Restraints Control Module
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
U0163 Lost Communication with Navigation Control Module
U0164 Lost Communication with HVAC Control Module
U0168 Lost Communication with Vehicle Security Control Module
U0168 Lost Communication with Vehicle Security Control Module
U0182 Lost Communication With Lighting Control Module Front
U0182 Lost Communication With Lighting Control Module Front
U0182 Lost Communication with AFS
U0199 Lost Communication with "Door Control Module A"
U0200 Lost Communication with "Door Control Module B"
U0208 Lost Communication with "Seat Control Module A"
U0209 Lost Communication with "Seat Control Module B"
U020A Lost Communication with Moveable Roof Control Module "B"
U023A Lost Communication With Image Processing Module "A"
U0242 Lost Communication With Headlamp Control Module "B"
U0242 Lost Communication With Headlamp Control Module "B"
U0327 Software Incompatibility with Vehicle Security Control Module
U1000 CAN Communication Failure (Message Registry)
U1000 CAN Communication Failure (Message Registry)
U1106 Lost Communication with Electric Parking Brake Module
U1115 Lost Communication with Tilt & Telescopic Module
U1117 Lost Communication with Accessory Gateway
LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [05/2023 - ]

DTC Code Description
B1244 Light Sensor Circuit Malfunction
B2414 Steering Position Sensor Malfunction
B2415 Vehicle Speed Sensor Malfunction
B241A Rear Height Control Sensor
B241B Front Height Control Sensor
B242C Right Headlight ECU Malfunction
B242D Left Headlight ECU Malfunction
B242E Open in IG Circuit
B242E Open in IG Circuit
B242F Open in B Power Line
B242F Open in B Power Line
B2439 Headlight LH Circuit
B243A Headlight RH Circuit
B243D Left Low Beam Fan Malfunction
B243E Right Low Beam Fan Malfunction
B2451 Vehicle Specifications have not been Stored
B2456 Left Headlight ECU Variation Error
U0073 Control Module Communication Bus Off
U0073 Control Module Communication Bus Off
U0100 Lost Communication with ECM / PCM "A"
U0100 Lost Communication with ECM / PCM "A"
U0100 Lost Communication with ECM/PCM/EV "A"
U0101 Lost Communication with TCM
U0101 Lost Communication with TCM
U0101 Lost Communication with TCM
U0126 Lost Communication with Steering Angle Sensor
U0126 Lost Communication with Steering Angle Sensor
U0126 Lost Communication with Steering Angle Sensor Module
U0129 Lost Communication with Brake System Control Module
U0129 Lost Communication with Brake System Control Module
U0129 Lost Communication with Brake System Control Module
U0132 Lost Communication with Suspension Control ECU
U0132 Lost Communication with Suspension Control ECU
U0142 Lost Communication with Body Control Module "B"
U0142 Lost Communication with Body Control Module "B"
U0151 Lost Communication with Restraints Control Module
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
U0163 Lost Communication with Navigation Control Module
U0164 Lost Communication with HVAC Control Module
U0168 Lost Communication with Vehicle Security Control Module
U0168 Lost Communication with Vehicle Security Control Module
U0182 Lost Communication With Lighting Control Module Front
U0182 Lost Communication With Lighting Control Module Front
U0182 Lost Communication with AFS
U0199 Lost Communication with "Door Control Module A"
U0200 Lost Communication with "Door Control Module B"
U0208 Lost Communication with "Seat Control Module A"
U0209 Lost Communication with "Seat Control Module B"
U020A Lost Communication with Moveable Roof Control Module "B"
U023A Lost Communication With Image Processing Module "A"
U0242 Lost Communication With Headlamp Control Module "B"
U0242 Lost Communication With Headlamp Control Module "B"
U0327 Software Incompatibility with Vehicle Security Control Module
U1000 CAN Communication Failure (Message Registry)
U1000 CAN Communication Failure (Message Registry)
U1106 Lost Communication with Electric Parking Brake Module
U1115 Lost Communication with Tilt & Telescopic Module
U1117 Lost Communication with Accessory Gateway