Toyota Avalon Service & Repair Manual: Telematics Transceiver Malfunction (B15A8)

DESCRIPTION

This DTC is set when an error in the EEPROM or PLL IC is detected on the DCM (Telematics Transceiver) self-check. The EEPROM (Electrically Erasable Programmable Read-Only Memory) stores the various data to operate the safety connect system. The PLL IC (Phase-Locked Loop Integrated Circuit) oscillates telephone radio frequency.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15A8

Telematics Transceiver Malfunction

Error in EEPROM or PLL IC is detected.

DCM (Telematics Transceiver)

CAUTION / NOTICE / HINT

NOTICE:

Regardless of whether DTC B15A8 has been output as a present or history DTC, the DCM (Telematics Transceiver) should be replaced.

PROCEDURE

1.

REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (Telematics Transceiver).

Click here

NOTICE:

  • The engine switch must be off.
  • Do not swap the DCM (Telematics Transceiver) with one from another vehicle.
NEXT

PERFORM DCM ACTIVATION

    Acn Call End

    Short in GPS Antenna (B15C0,B15C1)

    See More:

    Toyota Avalon Service & Repair Manual > Safety Connect System(for Hv Model): Short in Telephone Antenna Circuit (B1573,B15CB)
    DESCRIPTION These DTCs are stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna assembly (for Roof Side) circuit. The DCM (Telematics Transceiver) oscillates and receives 824 - 894 MHz or 1850 - 1990 MHz radio-frequency through the telephone and GP ...

    Toyota Avalon Owners Manual

    Toyota Avalon Service & Repair Manual

    © 2021 Copyright www.tavalon.net
    0.0279