Lexus NX: 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:
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Regardless of whether DTC B15A804 has been output as a present or history DTC, the DCM (telematics transceiver) should be replaced.
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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:
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The power switch must be off.
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Do not exchange the DCM (telematics transceiver) with one from another vehicle.
NEXT | | PERFORM DCM ACTIVATION |
READ NEXT:
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DESCRIPTION This may occur when the intensity of telephone radio frequency was very weak or the safety connect system has a malfunction and a DTC is stored. PROCEDURE 1. CHECK COMMUNICATION SERV
SEE MORE:
COMPONENTS ILLUSTRATION *1 COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY *2 FRONT FENDER TO COWL SIDE SEAL LH *3 FRONT FENDER TO COWL SIDE SEAL RH *4 FRONT WIPER ARM HEAD CAP *5 FRONT WIPER ARM LH *6 FRONT WIPER ARM RH *7 NO. 1 WINDSHIELD OUTSIDE MOULDING CLIP *8 WI
PRECAUTION POINTS TO NOTE WHEN SERVICING (a) Pay attention to the following points when servicing. (1) When disconnecting the cable from the negative (-) auxiliary battery terminal, "!" mark may appear on the multi-display assembly. In this case, restore the steering angle neutral point. Click here
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