This DTC is stored when an internal circuit malfunction is detected by the telematics transceiver self check.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B15A804 | DCM System Internal Failure | Telematics transceiver internal malfunction | Telematics transceiver |
| B15A846 | DCM Calibration / Parameter Memory Failure | Telematics transceiver internal malfunction | Telematics transceiver |
Regardless of whether DTC B15A804 or B15A846 has been output as a present or history DTC, the 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 Telematics System.
When replacing the telematics transceiver, make sure to replace it with a new one.
Before replacing the telematics transceiver, refer to Service Bulletin.
Replace the telematics transceiver with a new one.
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