Section 20 (Automatic Headlight Beam Level Control System (Single Beam Headlight) - Diagnostic Codes & Circuit Tests)
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 (for Single Beam Headlight)
- DTC B2415: Vehicle Speed Sensor Malfunction [09/2014 - 10/2018]
- DTC B2416: Height Control Sensor Malfunction [09/2014 - 10/2018]
- DTC B241A: Rear Height Control Sensor [09/2014 - 10/2018]
- DTC B2420: HL AutoLeveling ECU Failure [09/2014 - 10/2018]
- DTC B2450: Initialization has not been Performed [09/2014 - 10/2018]
- DTC B2451: Vehicle Specifications have not been Stored [09/2014 - 10/2018]
- DTC B2452: Height Control Sensor Data Out of Range When Initializing [09/2014 - 10/2018]
- DTC B2453: Variation Error [09/2014 - 10/2018]
- 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]
- DTC U1000: CAN Communication Failure (Message Registry) [09/2014 - 10/2018]
- Headlight Leveling ECU Power Source Circuit [09/2014 - 10/2018]
- Headlight Beam Level Control Actuator Circuit [09/2014 - 10/2018]