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Discussion Starter · #1 ·
Hello everyone.

I recently had a problem with my 2000 Kia Sephia it turned out to be the catalytic converter. The check engine light was on. Luckily it was warranteed. However, they also said that they were getting readings from the diagnostic on the transmission control module. It would cost about $400 to replace, I had to decline the service for that. The check engine light remains on a result, but the car runs fine now. So it seems I'm kind of stuck, since I have a state inspection coming upsoon and I can't get the light to turn off.

I still received an $84 diagnostic fee, for declining the service on the TCM, the manager stated that they run two different types of diagnostics, one for emissions, and one for transmission. That is why I was charged, it just seems a little odd to me, I thought one diagnostic would show you everything? Is this standard?
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