attn Hyundaitech, are these TSBs covered by the powertrain warranty?

HT,
The last time I was at my dealership to have my tranny flushed and serviced I brought in a bunch of TSB related to the transmission having issues. It would basically rev up high before shifting into 2nd
or 3rd and then engage. The service manager said it wasn't related and didn't need fixing or if it DID, it was related to the speed sensor. This sounded like BS to me then and still does.
A few months back I happened to read about TSBs 07-40-009-1 and 07-40-0010. These sure seem like they are the exact things I have been experiencing and brought to the attention of the service manager the last time I was there. Shouldn't having these shifting problems be covered under the powertrain warranty or at the least be serviceable by my dealership?
- Thee Chicago Wolf
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Not sure what TSBs you showed the dealer previously, but 07-40-009-1 and 07-40-010 have little new in them. They're basically old TSBs redone to utilize the newer diagnostic equipment. Their purpose is to equip the technician with the information to properly diagnose a harsh engagement or a harsh shift. The warrantability depends on the item causing the problem. Keep in mind that "normal operation" is one possible conclusion based on these TSBs.
The warranties will be as follows: Transmission: 10/100 (powertrain) PCM: 8/80 (federally mandated emissions) TCM: 5/60 (bumper-to-bumper) Normal: none (no defect).
If the shop goes through the procedure in the TSB, you should expect that the diagnosis will be covered if the faulty part is still covered. Otherwise, you should expect to pay for the diagnostic expense.
I'll say that none of these TSBs relate to anything having to do with a speed sensor. I'll also say that very rarely is the computer (PCM or TCM) the issue. In my experience, the most common finding is a defective transmission, followed distantly by normal operation. I don't recall ever seeing a defective computer actually cause a harsh engagement or shift, but do agree it's possible.
I find the statement "wasn't related and didn't need fixing or if it DID, it was related to the speed sensor" a little odd. Exactly how is the service manager able to associate a something that doesn't need fixing (normal condition) to what it is that might need to be fixed. Sounds like BS to me, too. If it's normal, say so. If it isn't say so.
If you're interested, I can tell you whether you have a PCM (powertrain control module) or separate TCM (transmission control module) if you let me know the year of your Sonata and which engine it has.
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