| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJC4 |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15EC; Backup Battery Degradation; 2016 - 2020 MY Sienna [12/2015 - ] | ||
|
DTC |
B15EC |
Backup Battery Degradation |
DESCRIPTION
This DTC is set when the DCM (Telematics Transceiver) detects either of the following conditions.
- The BUB (Back-Up Battery) charge level becomes less than the criteria.
- Automatic Collision Notification (ACN) occurred.
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. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B15EC |
BUB (Back-Up Battery) is deteriorated. |
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 (See page
![2016 - 2020 MY Sienna [12/2015 - ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: ACN CALL END](/t3Portal/stylegraphics/info.gif)
).
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) Perform "HEALTH CHECK" and check for current DTCs (See page
).
Result
|
Result |
Proceed to |
|---|---|
|
DTC B15EC is output |
A |
|
DTC B15EC is not output |
B |
| A |
|
REPLACE BUB (BACK-UP BATTERY) (See page
|
| B |
|
CHECK FOR INTERMITTENT PROBLEMS (See page
|
|
|