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ProMaster 2500
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Radio Frequency Module (RF Hub) - DTCS B1001-21 To B1045-01
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DTC Troubleshooting
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B1031-01 Immobilizer Antenna - General Electrical Failure
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Set Condition
Set Condition
If the internal low frequency antenna of the Keyless Ignition Node (KIN) is shorted to ground, open, shorted to battery or the internal terminals are shorted together, this code will set.