안녕하세요? 이베이에서 PCM을 구매했는데 불량이어서

교환을 요청했는데 아래와 같은 질문에 답해달라고 하여

문의드립니다. 특히 플래그쉽 원이 뭔질 모르겠네요.

1. Original problem(s) experienced with vehicle (including all symptoms and trouble-codes)
2. Steps taken to diagnose the original problem(s)
3. Problem(s) experienced with the part received from Flagship One
4. Steps taken to diagnose the problem(s) with the part from Flagship One

감사합니다