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ProMaster 2500
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Global Telematics Box Module- DTCS B1401-11 To B1569-11
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DTC Troubleshooting
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B143D-13 Microphone 2 - Circuit Open
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Set Condition
Set Condition
The Global Telematics Box Module (TBM2) detects an open on either the Emergency Microphone (+), Emergency Microphone (-), Microphone 2 (+), and Microphone 2 (-) circuits.