Diagnostic Trouble Code Chart [09/2014 - 10/2018]

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2018 Lexus RC 350, 2018 Lexus RC 300, 2017 Lexus RC 350, 2017 Lexus RC 300, and 2017 Lexus RC 200t. 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	Link
B2415	Vehicle Speed Sensor Malfunction	Refer to DTC B2415: Vehicle Speed Sensor Malfunction [09/2014 - 10/2018]
B2416	Height Control Sensor Malfunction	Refer to DTC B2416: Height Control Sensor Malfunction [09/2014 - 10/2018]
B241A	Rear Height Control Sensor	Refer to DTC B241A: Rear Height Control Sensor [09/2014 - 10/2018]
B2420	HL AutoLeveling ECU Failure	Refer to DTC B2420: HL AutoLeveling ECU Failure [09/2014 - 10/2018]
B2450	Initialization has not been Performed	Refer to DTC B2450: Initialization has not been Performed [09/2014 - 10/2018]
B2451	Vehicle Specifications have not been Stored	Refer to DTC B2451: Vehicle Specifications have not been Stored [09/2014 - 10/2018]
B2452	Height Control Sensor Data Out of Range When Initializing	Refer to DTC B2452: Height Control Sensor Data Out of Range When Initializing [09/2014 - 10/2018]
B2453	Variation Error	Refer to DTC B2453: Variation Error [09/2014 - 10/2018]
U0100	Lost Communication with ECM / PCM "A"	Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B" [09/2014 - 10/2018]
U0129	Lost Communication with Brake System Control Module	Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B" [09/2014 - 10/2018]
U0142	Lost Communication with Body Control Module "B"	Refer to DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B" [09/2014 - 10/2018]
U1000	CAN Communication Failure (Message Registry)	Refer to DTC U1000: CAN Communication Failure (Message Registry) [09/2014 - 10/2018]