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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> (Audio (Radio) (ETM) - Electrical Diagnostics) >> DTC Troubleshooting >> B143A-11-Microphone 1 - Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
LEFT HANDS FREE MICROPHONE AND RADIO/ETM CONNECTIONS
HANDS FREE MICROPHONE (+/-) CIRCUIT SHORT TO GROUND
RADIO/ETM

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

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