Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Steering Column

Lost Communication with ECM / PCM "A" (U0100,U0129,U023A)

DESCRIPTION The power steering ECU assembly receives signals from the ECM, skid control ECU (brake actuator assembly) and forward recognition camera (w/ forward recognition camera system) via CAN comm ...

Heated Steering Wheel Controller

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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Seat Belt Warning System: Front Passenger Side Seat Belt Warning Light Malfunction
DESCRIPTION When the engine switch is turned on (IG), the occupant detection ECU sends signals to the airbag sensor assembly to indicate the state of the front seat inner belt assembly RH and also whether the front passenger seat is occupied. The airbag sensor assembly sends those signals to the com ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Lost Communication With ECM/PCM "A" (U0100,...,U1126)
DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U0100 Lost Communication With ECM/PCM "A" The main body EC ...