CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: B15CC: Backup Battery Failure
B15CC - Backup Battery Failure
DESCRIPTION
This DTC is set when the DCM (Telematics Transceiver) detects one of the following:
* Open or short in the BUB (Back-Up Battery) circuit.
* The BUB (Back-Up Battery) voltage drops or the BUB (Back-Up Battery) malfunctions.
* The BUB (Back-Up Battery) temperature is (temporarily) high.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK DTC
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG) and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Perform "HEALTH CHECK" and check for current DTCs See: Accessories and Optional Equipment/Emergency Contact
Module/Testing and Inspection/Initial Inspection and Diagnostic Overview/Safety Connect System/Health Check.
Result:
B -- CHECK FOR INTERMITTENT PROBLEMS See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
A -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BUB (BACK-UP BATTERY))
(a) Disconnect the G25 DCM (Telematics Transceiver) connector.
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