Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Automatic High Beam Camera (B124C)

Light Sensor Circuit (B1244)

DESCRIPTION The automatic light control sensor detects ambient light. The sensor creates an electrical signal based on the amount of light detected, and sends the signal to the main body ECU (multiple ...

LED Headlight LH (B2430,B2431)

DESCRIPTION These DTCs are stored when the low beam headlights do not illuminate, or a communication malfunction is detected between the headlight assembly and main body ECU (multiplex network body EC ...

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Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: Internal Control Module Random Access Memory (RAM) Error Data Memory Failure (P060444)
MONITOR DESCRIPTION The ECM continuously monitors its internal memory status. This self-check ensures that the ECM is functioning properly. The ECM memory status is diagnosed by internal mirroring of the main CPU and sub CPU to detect Random Access Memory (RAM) errors. If outputs from these CPUs are ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Can Communication System: Parking Assist ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Parking Assist ECU Communication Stop Mode Either condition is met: "Panoramic View Monitor" is not displayed on the CAN Bus Check screen of the Techstream. Click here Communication system DTCs (DTCs that start with U) that correspo ...