Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Lost Communication with Restraints Occupant Classification System Module (U0154)

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Vehicle Interior / Supplemental Restraint Systems / Airbag System / Lost Communication with Restraints Occupant Classification System Module (U0154)

DESCRIPTION

The airbag sensor assembly sends/receives signals to/from each ECU via CAN communication.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Test Mode / Check Mode

U0154

Lost Communication with Restraints Occupant Classification System Module

CAN communication error between the airbag sensor assembly and occupant detection ECU (CAN communication system malfunction)

CAN communication system

Comes on

Does not apply to test/check mode

CAUTION / NOTICE / HINT

Refer to troubleshooting in CAN Communication System.

Click here

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

(a) Go to CAN communication system.

Click here

NEXT

END

    Short in Selectable Force Limiter Squib RH Circuit (B1940-B1943)
    DESCRIPTION The selectable force limiter squib RH circuit consists of the airbag sensor assembly and front seat outer belt assembly RH. The airbag sensor assembly uses this circuit to deploy the selec ...

    SRS Warning Light Remains ON
    DESCRIPTION The SRS warning light is located in the combination meter assembly. When the SRS is normal, the SRS warning light comes on for approximately 6 seconds after the engine switch is turned fro ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Navigation System: Switch Lights of Remote Touch do not Illuminate
    DESCRIPTION Power is supplied to the remote touch (remote operation controller assembly) illumination when the light control switch is in the tail or head position. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuse for circuits related to this system before performing the following pr ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Vehicle Stability Control System: ABS Pump Motor Control Circuit Voltage Out of Range (C052C1C)
    DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area C052C1C ABS Pump Motor Control Circuit Voltage Out of Range When the +BS terminal voltage is from 9.5 to 17.4 V with the motor relay and motor fail safe relay OFF, an open or short in motor circuit continues for ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2026 Copyright www.lexusrx.net
    0.0095