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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (On-Board Diagnostic - MAZDA Connect (3 Of 5)) >> DTC B1A09-2B: Front Door Speaker (LH) Audio Output Circuit Malfunction [Connectivity Master Unit] >> Outline

DTC B1A09-2B: Front Door Speaker (LH) Audio Output Circuit Malfunction [Connectivity Master Unit]: Outline

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DTC B1A09:2B (CONNECTIVITY MASTER UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Front door speaker (LH) audio output circuit malfunction
Detection condition
  • The audio amplifier detects a short circuit between the front door speaker (LH) audio output circuits for 30 s.
Fail-safe Not applicable
Possible cause
  • Front door speaker (LH) connector or terminal malfunction
  • Audio amplifier connector or terminal malfunction
  • Front door speaker (LH) malfunction
  • Short circuit between front door speaker (LH) audio output circuits
  • Audio amplifier malfunction
G13562224Courtesy of MAZDA MOTORS CORP.