Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Wireless Door Lock Control System

DTC No.

Detection Item

Link

B1242

Wireless Door Lock Tuner Circuit Malfunction

    Data List / Active Test
    DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th ...

    Wireless Door Lock Tuner Circuit Malfunction (B1242)
    DESCRIPTION The electrical key and tire pressure monitoring system receiver assembly is used to receive radio waves related to the entry functions of the electrical key transmitter sub-assembly. The c ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Safety Connect System: Red Indicator Remains On
    DESCRIPTION This means that the DCM (telematics transceiver) has detected a malfunction in the safety connect system and stored a DTC or specific vehicle control history (RoB) Code. PROCEDURE 1. CHECK DTC (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the e ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Audio And Visual System (for 8 Inch Display): Illumination Circuit
    DESCRIPTION Power is supplied to the radio receiver assembly and steering pad switch assembly illumination when the light control switch is in the tail or head position. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: The vehicle is equipped with a Supplemental Restraint System (SRS) which includ ...

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

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

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