Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual: DCM System Internal Failure (B15A804)

NOTICE:

• Regardless of whether DTC B15A804 has been output as a present or history DTC, the DCM (telematics transceiver) should be replaced.
• Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Safety Connect System.

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NOTICE:

• The engine switch must be off.
• Do not exchange the DCM (telematics transceiver) with one from another vehicle.

Microphone Circuit Open (B157213)

DESCRIPTION This DTC is stored when the DCM (telematics transceiver) detects a malfunction in the telephone microphone assembly circuit. DTC No. Detection Item DTC Detection Condition Trouble ...

GNSS Antenna Circuit Short to Ground (B15C111,B15C113)

DESCRIPTION These DTCs are stored when a malfunction occurs in the telephone and GPS antenna (for Roof Side) circuit. DTC No. Detection Item DTC Detection Condition Trouble Area B15C111 ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Smart Access System With Push-button Start (for Start Function): Steering Lock Position Signal Circuit Malfunction (B2285)
DESCRIPTION This DTC is stored when the steering lock position signal sent by the steering lock ECU (steering lock actuator or upper bracket assembly) via direct line and the steering lock position signal sent via LIN communication do not match. DTC No. Detection Item DTC Detection Condition ...

Lexus RX (RX 350L, RX450h) 2016-2023 Repair Manual > Power Mirror Control System (w/ Memory): Power Mirror Surface Position is not Memorized
DESCRIPTION If any of the M1, M2 or M3 seat memory switch is pressed, the outer mirror control ECU assembly (driver door) detects the switch operation and sends the seat memory switch signal to the main body ECU (multiplex network body ECU) via CAN communication. On receiving the seat memory switch ...