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Home >> Dodge and Ram >> 2013 >> Charger SRT-8 >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> (Vehicle System Interface Module (VSIM) Module - Electrical Diagnostics) >> DTC Troubleshooting >> B237C-Data Communication Radio Input Circuit High >> Possible Causes
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Possible Causes

Possible Causes 
POLICE RADIO INPUT SIGNAL CIRCUIT OPEN OR SHORTED TO VOLTAGE
AFTERMARKET LIGHT/SIREN CONTROLLER
VEHICLE SYSTEM INTERFACE MODULE (VSIM)