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Home >> Jeep >> 2022 >> Compass Altitude, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio (Radio) (ETM) - DTCS B156E-96 To B1496-00 >> DTC Troubleshooting >> B143D-12-Microphone 2 - Circuit Short To Battery >> Possible Causes

Possible Causes

Possible Causes
MICROPHONE 2 IN (+) CIRCUIT SHORTED TO BATTERY VOLTAGE
MICROPHONE 2 IN (-) CIRCUIT SHORTED TO BATTERY VOLTAGE
INSIDE REARVIEW MIRROR
RADIO

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

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