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Home >> Alfa Romeo >> 2021 >> Stelvio Ti >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> (Amplifier (Amp) Premium 1 - Electrical Diagnostics) >> DTC Troubleshooting >> B1404-1A - Channel 5 Audio Speaker Output - Circuit Resistance Below Threshold >> Possible Causes

Possible Causes

Possible Causes
LEFT REAR DOOR SPEAKER AND AMPLIFIER CONNECTIONS
LEFT REAR DOOR TWEETER SPEAKER AND AMPLIFIER CONNECTIONS
LEFT REAR DOOR SPEAKER (+) CIRCUIT SHORTED TO THE LEFT REAR DOOR SPEAKER (-) CIRCUIT
LEFT REAR DOOR TWEETER SPEAKER (+) CIRCUIT SHORTED TO THE LEFT REAR DOOR TWEETER SPEAKER (-) CIRCUIT
LEFT REAR DOOR SPEAKER
LEFT REAR DOOR TWEETER SPEAKER
AMPLIFIER

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