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2023
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ProMaster 2500
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Repair and Diagnosis
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Accessories & Equipment
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Communication Devices
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Body Control Module (BCM) - DTCS B1856-13 To U1701-87
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DTC Troubleshooting
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B2204-87-Ecu Error (PROXI) - Missing Message
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When Monitored
When Monitored
This diagnostic runs continuously when the following conditions are met:
The ignition is on.
The battery voltage is between 10.0 and 16.0 volts.