DESCRIPTION
This DTC is set when the DCM (Telematics Transceiver) detects one of the following:
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
B15CC |
Backup Battery Failure |
BUB (Back-Up Battery) malfunction |
|
CAUTION / NOTICE / HINT
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 B15CC is output |
A |
DTC B15CC is not output |
B |
B | ![]() |
CHECK FOR INTERMITTENT PROBLEMS |
|
2. |
REPLACE BUB (BACK-UP BATTERY) |
(a) Replace the BUB (Back-Up Battery) with a known good one and check if the same problem occurs again.
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NOTICE:
The BUB (Back-Up Battery) must not be replaced while an ACN call is in progress.
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|
3. |
CLEAR DTC |
(a) Clear the DTCs.
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|
4. |
RECHECK DTC |
(a) Recheck for DTCs and check if the same trouble occurs again.
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OK:
No DTC is output.
OK | ![]() |
END |
|
5. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver).
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NOTICE:
NEXT | ![]() |
PERFORM DCM ACTIVATION |
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ILLUSTRATION
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