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Home >> Alfa Romeo >> 2021 >> Stelvio Ti >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> (Audio (Radio) (ETM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1400-1A - Front Left Audio Speaker Output - Circuit Resistance Below Threshold >> Possible Causes

Possible Causes

Possible Causes
FRONT SPEAKER AND RADIO/ETM CONNECTIONS
AMPLIFIER AND RADIO/ETM CONNECTIONS
LEFT I/P SPEAKER (+) CIRCUIT SHORTED TO THE LEFT I/P SPEAKER (-) CIRCUIT
LEFT FRONT SPEAKER (+) CIRCUIT SHORTED TO THE LEFT FRONT SPEAKER (-) CIRCUIT
LEFT FRONT DOOR SPEAKER
LEFT FRONT TWEETER SPEAKER
AMPLIFIER
RADIO/ETM

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