LIGHTING SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Lighting System
DTC No. Detection Item Note Link
B1244 Light Sensor Circuit Malfunction -

Click here

B2414 Steering Position Sensor Malfunction -

Click here

B242C Right Headlight ECU Malfunction -

Click here

B242D Left Headlight ECU Malfunction -

Click here

B242E Open in IG Circuit -

Click here

B2439 Headlamp LH Circuit -

Click here

B243A Headlamp RH Circuit -

Click here

B243B LED Wiring for High Beam LH Circuit for Triple Beam Headlight

Click here

B243C LED Wiring for High Beam RH Circuit for Triple Beam Headlight

Click here

B243D Left Low Beam Fan Malfunction -

Click here

B243E Right Low Beam Fan Malfunction -

Click here

U0073 Control Module Communication Bus OFF -

Click here

U0100 Lost Communication with ECM / PCM "A" -

Click here

U0101 Lost Communication with TCM -

Click here

U0126 Lost Communication with Steering Angle Sensor Module -

Click here

U0129 Lost Communication with Brake System Control Module -

Click here

U0142 Lost Communication with Body Control Module "B" -

Click here

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

Click here

U023A Lost Communication With Image Processing Module "A" w/ Adaptive High Beam System

Click here

U0242 Lost Communication With Headlamp Control Module "B" -

Click here

U1000 CAN Communication Failure (Message Registry) -

Click here