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Home >> Chrysler >> 2025 >> Pacifica Select, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (Audio (Radio) (RRM) - DTCS B1400-11 To B140C-11) >> DTC Troubleshooting >> B1400-13 Front Left Audio Speaker Output-Circuit Open-Base >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2025 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.

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.

For additional detailed description and operation of the Audio System. Refer to AUDIO/VIDEO/ENTERTAINMENT/CONNECTIVITY, DESCRIPTION AND OPERATION .

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