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

Re: attn Hyundaitech, are these TSBs covered by the powertrain warra
 

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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