Automotive > Vehicle Electronics > Car Alarms & Security > Sirens
SIGMA-S215 Automotive Siren with Microphone and Speaker
Brand: Generic / OEM
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Audited BOM: 10 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The audio amplifier (COMP-004) lacks an adequate heatsink (ENG-001), leading to overheating, shutdowns, and failures (RMA-006), as reported by users (REV-005).
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