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
B124A	Automatic High Beam Mirror	Click here
B124B	Automatic High Beam System	Click here
B124C	Automatic High Beam Camera	Click here
B124D	Lost Communication with AFS LIN	Click here
B1244	Light Sensor Circuit Malfunction	Click here
B2415	Vehicle Speed Sensor Malfunction	Click here
B2416	Height Control Sensor Malfunction	Click here
B2417	Headlight Beam Level Control Motor LH Malfunction	Click here
B2418	Headlight Beam Level Control Motor RH Malfunction	Click here
B241A	Rear Height Control Sensor	Click here
B2420	AFS ECU Malfunction	Click here
B2420	HL AutoLeveling ECU Failure	Click here
B2424	Headlight Leveling Motor LH Communication Malfunction	Click here
B2425	Headlight Leveling Motor RH Communication Malfunction	Click here
B2427	CAN Communication Malfunction	Click here
B2432	Lost Communication with Automatic High Beam Sensor	Click here
B2450	Initialization has not been Performed	Click here
B2451	Vehicle Specifications have not been Stored	Click here
B2452	Height Control Sensor Data Out of Range When Initializing	Click here
B2453	Variation Error	Click here