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Home >> Dodge and Ram >> 2018 >> Charger Pursuit, 5.7L Eng VIN T, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> (Audio (Radio) - Electrical Diagnostics) >> DTC Troubleshooting >> B140C-12-Rear Right Audio Speaker Output - Circuit Short To Battery - Base >> Theory Of Operation

Theory Of Operation

The radio is provided with a fused Battery and Ground circuit. When the Ignition is turned on, the BCM transmits a wake up signal over the CAN bus to the Radio. The Radio monitors the Speaker circuits for electrical failures.