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 > Cooling Fan System: Parts Location
PARTS LOCATION ILLUSTRATION *1 FAN WITH MOTOR ASSEMBLY - COOLING FAN MOTOR - COOLING FAN ECU *2 ECM *3 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY - EFI-MAIN NO. 1 RELAY - - ...