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Home >> Jeep >> 2019 >> Compass Trailhawk >> Repair and Diagnosis >> General Information >> OEM General Information >> (Emergency Assistance Module (EAM/TBM) - Electrical Diagnostics) >> DTC Troubleshooting >> B143A-11 - Microphone 1-Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
EMERGENCY MICROPHONE (+/-) CIRCUIT SHORTED TO GROUND
MICROPHONE 1 IN (+/-) CIRCUIT SHORTED TO GROUND
INSIDE REARVIEW MIRROR
RADIO
EMERGENCY ASSISTANCE MODULE (EAM)

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