Lexus NX: DCM System Internal Failure (B15A804)
Lexus NX Service Manual / Audio & Visual & Telematics / Cellular Communication / Safety Connect System / DCM System Internal Failure (B15A804)
DESCRIPTION
This DTC is stored when an internal circuit malfunction is detected by the DCM (telematics transceiver) self check.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B15A804 | DCM System Internal Failure | DCM (telematics transceiver) internal malfunction | DCM (telematics transceiver) |
CAUTION / NOTICE / HINT
NOTICE:
- Regardless of whether DTC B15A804 has been output as a present or history DTC, the DCM (telematics transceiver) should be replaced.
-
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for safety connect system.
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PROCEDURE
| 1. | REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver).
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NOTICE:
- The power switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT | .gif) | PERFORM DCM ACTIVATION |
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System Description
SYSTEM DESCRIPTION DESCRIPTION (a) Safety Connect performs ACN (Automatic Collision Notification), manual emergency calling, stolen vehicle tracking and roadside assistance service, by audio and data communications between the vehicle and call center through a cellular phone network. As shown in the
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