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Home >> Mazda >> 2024 >> 3 Carbon Turbo, 4D Hatchback >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> On-Board Diagnostic - Connectivity Master Unit (2 Of 3) >> DTC B1A08-2B: Rear Door Speaker (LH) Audio Output Circuit Malfunction >> With Bose® >> Outline

With Bose®: Outline

DTC B1A08-2B: (CONNECTIVITY MASTER UNIT) DETECTION CONDITION AND POSSIBLE CAUSE (WITH BOSE®)

System malfunction location Front center speaker audio output circuit malfunction
Detection condition
  • The audio amplifier detects a short circuit between the front center speaker audio output circuits for 30 s.
Fail-safe Not applicable
Possible cause
  • Front center speaker connector or terminal malfunction
  • Audio amplifier connector or terminal malfunction
  • Front center speaker malfunction
  • Short circuit between front center speaker audio output circuits
  • Audio amplifier malfunction
G16782758Courtesy of MAZDA MOTORS CORP.