Diagnostic Trouble Code Chart [10/2015 - 08/2019]

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2019 Lexus RX 450hL, 2019 Lexus RX 450h, 2018 Lexus RX 450hL, 2018 Lexus RX 450h, and 2017 Lexus RX 450h. However, it is still accessible from the selected car via links, so may be relevant.

AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM

DTC No.	Detection Item	Note	Link
B2415	Vehicle Speed Sensor Malfunction	-	Refer to DTC B2415: Vehicle Speed Sensor Malfunction [10/2015 - 08/2019]
B2416	Height Control Sensor Malfunction	-	Refer to DTC B2416: Height Control Sensor Malfunction; DTC B241A: Rear Height Control Sensor [10/2015 - 08/2019]
B2417	Headlight Beam Level Control Motor LH Malfunction	for Triple Beam Headlight, for Single Beam Headlight with AFS (Adaptive Front-lighting System)	Refer to DTC B2417: Headlight Beam Level Control Motor LH Malfunction; DTC B2418: Headlight Beam Level Control Motor RH Malfunction [10/2015 - 08/2019]
B2418	Headlight Beam Level Control Motor RH Malfunction	for Triple Beam Headlight, for Single Beam Headlight with AFS (Adaptive Front-lighting System)	Refer to DTC B2417: Headlight Beam Level Control Motor LH Malfunction; DTC B2418: Headlight Beam Level Control Motor RH Malfunction [10/2015 - 08/2019]
B241A	Rear Height Control Sensor	-	Refer to DTC B2416: Height Control Sensor Malfunction; DTC B241A: Rear Height Control Sensor [10/2015 - 08/2019]
B2424	Headlight Leveling Motor LH Communication Malfunction	for Triple Beam Headlight, for Single Beam Headlight with AFS (Adaptive Front-lighting System)	Refer to DTC B2424: Headlight Leveling Motor LH Communication Malfunction; DTC B2425: Headlight Leveling Motor RH Communication Malfunction [10/2015 - 08/2019]
B2425	Headlight Leveling Motor RH Communication Malfunction	for Triple Beam Headlight, for Single Beam Headlight with AFS (Adaptive Front-lighting System)	Refer to DTC B2424: Headlight Leveling Motor LH Communication Malfunction; DTC B2425: Headlight Leveling Motor RH Communication Malfunction [10/2015 - 08/2019]
B2450	Initialization has not been Performed	-	Refer to DTC B2450: Initialization has not been Performed [10/2015 - 08/2019]
B2451	Vehicle Specifications have not been Stored	-	Refer to DTC B2451: Vehicle Specifications have not been Stored [10/2015 - 08/2019]
B2452	Height Control Sensor Data Out of Range When Initializing	-	Refer to DTC B2452: Height Control Sensor Data Out of Range When Initializing [10/2015 - 08/2019]
B2456	Left Headlight ECU Variation Error	-	Refer to DTC B2456: Left Headlight ECU Variation Error [10/2015 - 08/2019]