Section 189 (Lighting System (Ext) (Hybrid) - Diagnostic Codes (2 Of 2) & Symptom Tests (1 Of 2))
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- LIGHTING SYSTEM (for HV Model)
- DTC B242E: Open in IG Circuit [10/2019 - ]
- DTC B242F: Open in B Power Line [06/2018 - 07/2019]
- DTC B242F: Open in B Power Line [07/2019 - 10/2019]
- DTC B242F: Open in B Power Line [10/2019 - ]
- DTC B2439: Headlight LH Circuit; DTC B243A: Headlight RH Circuit [06/2018 - 08/2021]
- DTC B2439: Headlight LH Circuit; DTC B243A: Headlight RH Circuit [08/2021 - ]
- DTC B243D: Left Low Beam Fan Malfunction; DTC B243E: Right Low Beam Fan Malfunction [06/2018 - ]
- DTC B2450: Height Sensor Initialization Incomplete [06/2018 - ]
- DTC B2451: Variation Code not Written [06/2018 - ]
- DTC B2452: Abnormal Height Sensor Data at Initialization [06/2018 - 07/2019]
- DTC B2452: Abnormal Height Sensor Data at Initialization [07/2019 - 10/2019]
- DTC B2452: Abnormal Height Sensor Data at Initialization [10/2019 - ]
- DTC B2456: Left Headlight ECU Variation Error [06/2018 - ]
- DTC U0073: Control Module Communication Bus Off; DTC U0101: Lost Communication with TCM; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0242: Lost Communication With Headlamp Control Module "B"; DTC U0293: Lost Communication with Hybrid Vehicle Control System [06/2018 - ]
- DTC U0073: Control Module Communication Bus OFF; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0182: Lost Communication With Lighting Control Module Front [06/2018 - ]
- DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0101: Lost Communication with TCM; DTC U0120: Lost Communication With Starter / Generator Control Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0151: Lost Communication with Restraints Control Module; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163: Lost Communication with Navigation Control Module; DTC U0164: Lost Communication with HVAC Control Module; DTC U0182: Lost Communication with AFS; DTC U0199: Lost Communication with "Door Control Module A"; DTC U0200: Lost Communication with "Door Control Module B"; DTC U0208: Lost Communication with "Seat Control Module A"; DTC U0230: Lost Communication with Rear Gate Module; DTC U023A: Lost Communication With Image Processing Module "A"; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U0327: Software Incompatibility with Vehicle Security Control Module; DTC U1106: Lost Communication with Electric Parking Brake Module; DTC U1115: Lost Communication with Tilt & Telescopic Module; DTC U1117: Lost Communication with Accessory Gateway [06/2018 - ]
- DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid Powertrain Control Module Missing Message [06/2018 - ]
- DTC U0235-87: Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message [06/2018 - ]
- DTC U1000: CAN Communication Failure (Message Registry) [06/2018 - ]
- Turn Signal Switch Circuit [06/2018 - ]
- Automatic High Beam Switch Indicator does not Come ON [06/2018 - ]