LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Tech Tips

If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

Lighting System
DTC Code Detection Item See page
B1244 Light Sensor Circuit Malfunction

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B2414 Steering Position Sensor Malfunction

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B2415 Vehicle Speed Sensor Malfunction

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B241A Rear Height Control Sensor

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B241C VGRS ECU

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B242C Right Headlight ECU Malfunction

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B242D Left Headlight ECU Malfunction

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B242E Open in IG Circuit

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B2439 Headlamp LH Circuit

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B243A Headlamp RH Circuit

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B243B LED Wiring for High Beam LH Circuit

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B243C LED Wiring for High Beam RH Circuit

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B243D Left Low Beam Fan Malfunction

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B243E Right Low Beam Fan Malfunction

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B2450 Initialization has not been Performed

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B2451 Vehicle Specifications have not been Stored

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B2452 Height Control Sensor Data Out of Range When Initializing

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B2456 Left Headlight ECU Variation Error

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U0073 Control Module Communication Bus OFF

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U0100 Lost Communication with ECM / PCM "A"

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U0101 Lost Communication With TCM

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U0126 Lost Communication With Steering Angle Sensor Module

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U0129 Lost Communication with Brake System Control Module

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U0130 Lost Communication with Steering Effort Control Module

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U0134 Lost Communication with DRS Module

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U0142 Lost Communication with Body Control Module "B"

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U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module

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U0242 Lost Communication With Headlamp Control Module "B"

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U1000 CAN Communication Failure (Message Registry)

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