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Home >> Chrysler >> 2025 >> Pacifica Plug-In Hybrid Select >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Audio (Radio) (RRM) - DTCS B140C-12 To B1579-1A) >> DTC Troubleshooting >> B143A-13 Microphone 1-Circuit Open >> Possible Causes

Possible Causes

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.
Possible Causes
MICROPHONE 1 IN (+) CIRCUIT OPEN
MICROPHONE 1 IN (-) CIRCUIT OPEN
FRONT ROOF LAMP UNIT
RADIO

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .

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