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Home >> Alfa Romeo >> 2021 >> Stelvio Ti >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> (Audio (Radio) (ETM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1408-13 - Rear Left Audio Speaker Output - Circuit Open >> Possible Causes

Possible Causes

Possible Causes
AMPLIFIED LEFT REAR DOOR SPEAKER AND RADIO/ETM CONNECTIONS
AMPLIFIED LEFT REAR TWEETER SPEAKER AND RADIO/ETM CONNECTIONS
AMPLIFIER AND RADIO/ETM CONNECTIONS
AMPLIFIED LEFT REAR SPEAKER (+/-) CIRCUIT OPEN OR HIGH RESISTANCE
AMPLIFIED LEFT REAR DOOR SPEAKER
AMPLIFIED LEFT REAR TWEETER SPEAKER
AMPLIFIER
RADIO/ETM

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