- #114 of 155
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Re: transmission flasher [Bad08Sonata]
by bigredtx
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Jan 14, 2009 (7:12 am)
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Replying to: Bad08Sonata (Jan 13, 2009 11:14 pm)
good luck to you let us know how this works out. now im being told that since it only does it when the car is cold that the transmission fluid hasnt reached the top until it gets warm. kind of makes sense since it only pops 1 gear 1 time. also i was told some hesitation is normal. maybe we should get a class action suit against hyundai since so many have the same problem with no solution.
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- #115 of 155
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Re: transmission flasher [bigredtx]
by ronylala
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Jan 15, 2009 (8:35 am)
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Replying to: bigredtx (Jan 14, 2009 7:12 am)
good luck!!! i already was at the BBB and they denid my case. i think they wanted to say as long as the problem is not safety it's not a problem..and it's o.k.
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- #116 of 155
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Re: transmission flasher [bigredtx]
by dave868
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Jan 20, 2009 (6:26 pm)
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Replying to: bigredtx (Jan 05, 2009 1:22 pm)
They flashed my tranny with new firmware today. Only drove it a few miles, but so far I am pleased. Seems much smoother on the 1-2 shift.
I will keep you posted.
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- #117 of 155
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Re: transmission flasher [dave868]
by bigredtx
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Jan 21, 2009 (10:20 am)
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Replying to: dave868 (Jan 20, 2009 6:26 pm)
so i just ask the tech to install new firmware?
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- #118 of 155
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Re: transmission flasher [bigredtx]
by newowner10
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Jan 21, 2009 (2:13 pm)
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Replying to: bigredtx (Jan 21, 2009 10:20 am)
This would be software, firmware would be gears
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- #119 of 155
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Re: transmission flasher [newowner10]
by backy
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Jan 21, 2009 (2:31 pm)
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Replying to: newowner10 (Jan 21, 2009 2:13 pm)
Actually, a computer program can be "firmware", i.e. a program that is embedded in a hardware device, for example a microcontroller.
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- #120 of 155
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Re: transmission flasher [backy]
by dave868
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Jan 21, 2009 (8:11 pm)
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Replying to: backy (Jan 21, 2009 2:31 pm)
Firmware is the correct term in this case. Hardware would be the gears.
I just told them that my 1-2 shifts were harsh and that I heard there was a service bulletin about it.
The updated the firmware on the computer controlling the tranny and so far I am pleased. I no longer have to get off the gas as I feel a shiftpoint coming.
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- #121 of 155
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Re: transmission flasher [dave868]
by dave868
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Feb 11, 2009 (8:44 am)
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Replying to: dave868 (Jan 21, 2009 8:11 pm)
Just an update. I love it!!!!
I was starting to regret my purchase due to the harsh shifting. Now it's smooth as silk.
If you are experiening harsh shifts please go to your dealer. The computer update was quick and effective.
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- #122 of 155
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Re: transmission flasher [dave868]
by bigredtx
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Feb 16, 2009 (12:54 pm)
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Replying to: dave868 (Jan 21, 2009 8:11 pm)
i took my sonata to north freeway hyundai and showed them your email and what you had done. the service manager said he never heard of it and was wanting to know what dealership you went to so he can call them and find out what this firmware is. they did an adjustment on my car again but i dont know yet if that will help. can you please provide me the name and number of your dealership? thanks
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- #123 of 155
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Re: transmission flasher [bigredtx]
by craigbrooks
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Feb 28, 2009 (11:25 am)
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Replying to: bigredtx (Feb 16, 2009 12:54 pm)
Don't know what year your Sonata is but this TSB may help.
http://sonata.jerrystout.us/tsb/tcm_calibration_update.pdf
(thanks to jerry)
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