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Home >> Jeep >> 2023 >> Compass Sport >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Audio (Radio) (RRM) - DTCS B1400-11 To B143D-12 >> DTC Troubleshooting >> B143A-11-Microphone 1-Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
MICROPHONE 1 IN (+) CIRCUIT SHORTED TO GROUND
MICROPHONE 1 IN (-) CIRCUIT SHORTED TO GROUND
FRONT ROOF LAMP UNIT
RADIO

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