Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Utility

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Before performing troubleshooting for the road sign assist system, make sure that the pre-collision system and lane control system are not malfunctioning. Pre-collisio ...

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE 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 ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Front Radar Sensor System: Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure (C1A8C46,C1A8D1C,C1A9000,C1A9100)
DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A8C46 Main Microcomputer in Front Radar Sensor Calibration/Parameter Memory Failure When the engine switc ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Front Camera System: Software Incompatibility with Body Control Module Invalid/Incompatible Software Component (U032257)
DESCRIPTION The forward recognition camera receives vehicle information from the main body ECU (multiplex network body ECU) via CAN communication. DTC U032257 is stored when the vehicle information from the main body ECU (multiplex network body ECU) and that stored in the forward recognition camera ...