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

Manual Button Malfunction (B15C5)

DESCRIPTION This DTC is stored when the DCM (Telematics Transceiver) detects an open or short circuit in the manual (SOS) switch. DTC Code DTC Detection Condition ...

Short in GPS Antenna (B15C0,B15C1)

DESCRIPTION This DTC is stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna circuit. The DCM (Telematics Transceiver) receives signals at a ra ...

Other materials about Toyota 4Runner:

Disposal
DISPOSAL PROCEDURE 1. DISPOSE OF BRAKE BOOSTER ACCUMULATOR ASSEMBLY (a) Place the brake booster accumulator assembly in a vise and cover it with cloth. (b) Using a saw, cut the brake booster acc ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL FRONT OIL PUMP OIL SEAL (a) Using SST and a hammer, tap in a new oil seal. SST: 09350-30020 09351-32140 HINT: Make sure the oil seal end is flush with the outer edge of the pump body. ...