Toyota CH-R Service Manual: Telematics Transceiver Malfunction (B15A8)

Toyota CH-R Service Manual / Cellular Communication / Safety Connect System / Telematics Transceiver Malfunction (B15A8)

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.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B15A8	Telematics Transceiver Malfunction	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.	REPLACE DCM (TELEMATICS TRANSCEIVER)

(a) Replace the DCM (Telematics Transceiver).

Click here

NOTICE:

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

PERFORM DCM ACTIVATION

Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Safety Connect System DTC No. Detection Item Link B1536 Short in Telephone SUB Antenna Circuit ...

Short in Telephone Antenna Circuit (B1573,B15CB)

DESCRIPTION These DTCs are stored when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna assembly (for Roof Side) circuit. The DCM (Telematics Transceiv ...

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