Toyota Camry owners & service manuals

Toyota Camry: DCM System Internal Failure (B15A804)

DESCRIPTION

This DTC is stored when an internal circuit malfunction is detected by the DCM (telematics transceiver) self check.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15A804

DCM System Internal Failure

DCM (telematics transceiver) internal malfunction

DCM (telematics transceiver)

CAUTION / NOTICE / HINT

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.

    Click here

PROCEDURE

1.

REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (telematics transceiver) with a new one.

Click here

NOTICE:

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

PERFORM DCM ACTIVATION

    READ NEXT:

     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

     Airbag Signal Signal Plausibility Failure (B15C464)

    DESCRIPTION If the DCM (telematics transceiver) detects an error in communication between the DCM (telematics transceiver) and the airbag sensor assembly as a result of the DCM (telematics transceiver

     Emergency Call Switch Circuit Short to Ground (B15C511,B15C513)

    DESCRIPTION If the DCM (telematics transceiver) detects an error in the communication between the DCM (telematics transceiver) and the roof console box sub-assembly (manual (SOS) switch) as a result o

    SEE MORE:

     Components

    COMPONENTS ILLUSTRATION *A w/o Manual (SOS) Switch *B w/ Manual (SOS) Switch *1 INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY *2 NAVIGATION ANTENNA ASSEMBLY *3 NAVIGATION ANTENNA ASSEMBLY WITH BRACKET *4 NAVIGATION ANTENNA BRACKET *5 NO. 3

     Terminals Of Ecu

    TERMINALS OF ECU HINT: Check from the rear of the connector while it is connected to the components. RADIO AND DISPLAY RECEIVER ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition K4-1 (FR+) - K3-1 (GND1) W - BR Soun

    © 2023-2024 Copyright www.tocamry.com