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Home >> Fiat >> 2018 >> 500L Pop >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> (Amplifier (Amp) - Electrical Diagnostics) >> DTC Troubleshooting >> B1406-13-Channel 7 Audio Speaker Output - Circuit Open >> Possible Causes

Possible Causes

Possible Causes
LOOSE OR DAMAGED CONNECTIONS
LEFT SUBWOOFER SPEAKER WIRING SHORT OPEN/HIGH RESISTANCE
LEFT SUBWOOFER SPEAKER

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

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