Section 53 (Automatic Headlight Beam Level Control System - Diagnostic Codes & Circuit Tests)
WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2020 Lexus IS 350, 2020 Lexus IS 300, 2019 Lexus IS 350, 2019 Lexus IS 300, and 2018 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.
- Automatic Headlight Beam Level Control System
- DTC B2415: Vehicle Speed Sensor Malfunction [04/2013 - 10/2016]
- DTC B2415: Vehicle Speed Sensor [10/2016 - 09/2020]
- DTC B2416: Height Control Sensor Malfunction [04/2013 - 10/2016]
- DTC B2416: Height Control Sensor; DTC B241A: Rear Height Control Sensor [10/2016 - 09/2020]
- DTC B241A: Rear Height Control Sensor [04/2013 - 10/2016]
- DTC B2420: HL AutoLeveling ECU Failure [04/2013 - 10/2016]
- DTC B2450: Initialization has not been Performed [04/2013 - 10/2016]
- DTC B2450: Height Sensor Initialization Incomplete [10/2016 - 09/2020]
- DTC B2451: Vehicle Specifications have not been Stored [04/2013 - 10/2016]
- DTC B2451: Variation Code not Written [10/2016 - 09/2020]
- DTC B2452: Height Control Sensor Data Out of Range When Initializing [04/2013 - 10/2016]
- DTC B2452: Abnormal Height Sensor Data at Initialization [10/2016 - 09/2020]
- DTC B2453: Variation Error [04/2013 - 10/2016]
- DTC B2456: Left Headlight ECU Variation Error [10/2016 - 09/2020]
- 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" [04/2013 - 10/2016]
- DTC U1000: CAN Communication Failure (Message Registry) [04/2013 - 10/2016]
- Headlight Leveling ECU Power Source Circuit [04/2013 - 10/2016]
- Headlight Beam Level Control Actuator Circuit [04/2013 - 10/2016]
- Headlight Beam Level Control Actuator Circuit [10/2016 - 09/2020]