DESCRIPTION
This DTC is set when the DCM (Telematics Transceiver) detects either of the following conditions.
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:
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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 ON and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs(f) Recheck for DTCs.
Body Electrical > Telematics > Trouble Codes
Result |
Proceed to |
---|---|
DTC B15EC is output |
A |
DTC B15EC is not output |
B |
A | ![]() |
REPLACE BUB (BACK-UP BATTERY) |
B | ![]() |
CHECK FOR INTERMITTENT PROBLEMS |
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CAUTION / NOTICE / HINT
HINT:
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PROCEDURE
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