| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001N4Q4 |
| Model Year Start: 2021 | Model: Corolla | Prod Date Range: [04/2020 - ] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): B15A804; DCM System Internal Failure; 2021 - 2025 MY Corolla Corolla HV [04/2020 - ] | ||
|
DTC |
B15A804 |
DCM System Internal Failure |
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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![2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): PRECAUTION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver) with a new one.
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NOTICE:
- The power switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
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