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:

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / (desired system) / DTC. (e) Read the DTCs. 2. CLEAR DTC (a) Connect ...

Ignition Key Cylinder Light
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE NO. 2 SWITCH HOLE BASE 2. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL ASSEMBLY 3. REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY 4. REMOVE LOWER STEERING COLUMN ...