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Home >> Dodge and Ram >> 2024 >> ProMaster 2500 Base >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio (Radio) (ETM) - DTCS B1400-11 To B1496-00 >> DTC Troubleshooting >> B143A-13 Microphone 1 - Circuit Open >> Set Condition

Set Condition

The Radio detects an open on either the Microphone 1 IN (+) circuit or the Microphone 1 IN (-) circuit.