LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Lighting System
DTC No. Detection Item DTC Output from Link
B1244 Light Sensor Circuit Malfunction Main body ECU (multiplex network body ECU)

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B124B Automatic High Beam System Main body ECU (multiplex network body ECU)

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B124C Automatic High Beam Camera Main body ECU (multiplex network body ECU)

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B2414 Steering Position Sensor Malfunction No. 1 headlight ECU sub-assembly LH

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B2415 Vehicle Speed Sensor Malfunction No. 1 headlight ECU sub-assembly LH

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B241A Rear Height Control Sensor No. 1 headlight ECU sub-assembly LH

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B241B Front Height Control Sensor No. 1 headlight ECU sub-assembly LH

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B241C VGRS ECU No. 1 headlight ECU sub-assembly LH

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B242C Right Headlight ECU Malfunction No. 1 headlight ECU sub-assembly RH

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B242D Left Headlight ECU Malfunction No. 1 headlight ECU sub-assembly LH

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B242E Open in IG Circuit
  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

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B242F Open in B Power Line
  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

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B2439 Headlight LH Circuit No. 1 headlight ECU sub-assembly LH

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B243A Headlight RH Circuit No. 1 headlight ECU sub-assembly RH

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B243D Left Low Beam Fan Malfunction No. 1 headlight ECU sub-assembly LH

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B243E Right Low Beam Fan Malfunction No. 1 headlight ECU sub-assembly RH

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B2451 Vehicle Specifications have not been Stored No. 1 headlight ECU sub-assembly LH

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B2456 Left Headlight ECU Variation Error No. 1 headlight ECU sub-assembly LH

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U0073 Control Module Communication Bus Off
  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

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U0100 Lost Communication with ECM / PCM "A" No. 1 headlight ECU sub-assembly LH

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U0101 Lost Communication with TCM No. 1 headlight ECU sub-assembly LH

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U0126 Lost Communication With Steering Angle Sensor Module
  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

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U0129 Lost Communication with Brake System Control Module No. 1 headlight ECU sub-assembly LH

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U0130 Lost Communication with Steering Effort Control Module No. 1 headlight ECU sub-assembly LH

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U0132 Lost Communication with Suspension Control ECU No. 1 headlight ECU sub-assembly LH

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U0142 Lost Communication with Body Control Module "B"
  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

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U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module
  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

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U0168 Lost Communication with Vehicle Security Control Module No. 1 headlight ECU sub-assembly LH

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U0182 Lost Communication with Lighting Control Module Front No. 1 headlight ECU sub-assembly RH

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U023A Lost Communication with Front Camera Module Main body ECU (multiplex network body ECU)

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U0242 Lost Communication With Headlamp Control Module "B" No. 1 headlight ECU sub-assembly LH

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U1000 CAN Communication Failure (Message Registry)
  • No. 1 headlight ECU sub-assembly LH

  • No. 1 headlight ECU sub-assembly RH

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