Toyota 4Runner: Telematics Transceiver Malfunction (B15A8)

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Cellular Communication / Safety Connect System / Telematics Transceiver Malfunction (B15A8)

DESCRIPTION

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

DTC Code	DTC Detection Condition	Trouble Area
B15A8	An 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.	PERFORM DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (Telematics Transceiver) (See page ).

NOTICE:

The ignition switch must be off.
Do not replace the DCM (Telematics Transceiver) with one from another vehicle.

PERFORM DCM ACTIVATION

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