| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001EH05 |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - 10/2019] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15EC; Backup Battery Degradation; 2019 MY RAV4 RAV4 HV [11/2018 - 10/2019] | ||
|
DTC |
B15EC |
Backup Battery Degradation |
DESCRIPTION
This DTC is set when the DCM (Telephone Transceiver Assembly) detects either of the following conditions.
- The BUB (Back-Up Battery) charge level becomes less than the criteria.
- The BUB (Back-up Battery) was used for Automatic Collision Notification (ACN).
When this DTC is set, the BUB (Back-Up Battery) must be replaced.
BUB (Back-Up Battery) degradation DTC B15EC is not reported in deactive mode.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B15EC |
Backup Battery Degradation |
BUB (Back-Up Battery) is used up. |
BUB (Back-Up Battery) |
CAUTION / NOTICE / HINT
NOTICE:
- If this DTC is set, be certain to replace the BUB (Back-Up Battery) with a new one.
- After the BUB (Back-Up Battery) is replaced, it is necessary to clear this DTC.
-
The BUB (Back-Up Battery) must not be replaced while an ACN call is in progress.
Click here
![2019 MY RAV4 RAV4 HV [11/2018 - 10/2019]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: ACN CALL END](/t3Portal/stylegraphics/info.gif)
HINT:
Before performing this diagnostic procedure, make sure to perform Health Check and confirm that the DCM/VIN registration information is correct.
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PROCEDURE
|
1. |
CHECK DTC |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Clear the DTCs.
Click here
Body Electrical > Telematics > Clear DTCs
(f) Recheck for DTCs.
Click here
Body Electrical > Telematics > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
DTC B15EC is output |
A |
|
DTC B15EC is not output |
B |
| A |
|
| B |
|
|
|