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.
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
(a) Replace the DCM (Telematics Transceiver). Click here NOTICE:
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Toyota Avalon Service & Repair Manual > Sliding Roof System(for Gasoline Model): System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main Body ECU (Multiplex Network Body ECU) Sliding Roof ECU (Sliding Roof Drive Gear Assembly) Sliding roof operation permission signal IG signal Front door courtesy light switch assembly signal Key-linked operation signal Wireless trans ...