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Home >> Alfa Romeo >> 2021 >> Stelvio Ti >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Amplifier (Amp) Premium 2 - DTCS B140A-92 To U2026-87 >> DTC Troubleshooting >> B140C-1A - Channel 12 Audio Speaker Output - Circuit Resistance Below Threshold >> Possible Causes

Possible Causes

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

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