Home >> Chrysler >> 2025 >> Pacifica Plug-In Hybrid Pinnacle >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio (Radio) - DTCS B143A-12 To B1494-00 >> DTC Troubleshooting >> B143B-13 ANC Microphone 1-Circuit Open >> Circuit Identifiers-ANC Microphone 1