DIAGNOSTIC TROUBLE CODE CHART
Front Radar Sensor System| DTC No. | Detection Item | Link |
|---|---|---|
| C1A1100 | Front Radar Sensor Optical Axis Misalignment Malfunction | |
| C1A8C46 | Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure | |
| C1A8D1C | Power Supply Circuit in Front Radar Sensor Circuit Voltage Out of Range | |
| C1A9000 | Malfunction of Millimeter-wave Circuit in Front Radar Sensor | |
| C1A9100 | Malfunction of Acceleration Sensor in Front Radar Sensor | |
| U010487 | Lost Communication with Cruise Control Module Missing Message | |
| U030557 | Software Incompatibility with Cruise Control Module Invalid/Incompatible Software Component | |
Data List / Active Test
Vehicle Control HistoryLexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the main ECU (multiplex network body ECU), refer to Service Bulletin. HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probabi ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle System: Pressure Control Solenoid "H" Actuator Stuck Off (P28167F)
DESCRIPTION Based on signals from the transmission revolution sensors (NT, NC3 and NC), the actual gear is detected. The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical malfunctions of the shift solenoid valves, transmission valve body assembly and automat ...