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Voyager LX, Gas
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Communication Devices
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(Driver Door Module (DDM) (DMFL/R) - Electrical Diagnostics)
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DTC Troubleshooting
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B21DD-84-System Voltage - Signal Below Allowable Range
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Set Condition
Set Condition
The Driver Door Module (DDM) receives a Controller Area Network (CAN) message from the Body Control Module (BCM) that the battery voltage was below 10 volts.