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Hyundai Sonata Transmission Questions

155 messages,  Last post on Oct 13, 2009 at 12:20 PM

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What is this discussion about? Hyundai Sonata, Transmission, Sedan


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#111 of 155
transmission flasher by bigredtx
Jan 05, 2009 (1:22 pm)
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i am being told there is a recall on the 2009 sonatas on a transmission flasher. this is suppossed to be the cause of the hesitant jerking shifting. i am taking my vehicle in tomorrow to have them look at it so i will keep you informed. this car is driving me insane
#112 of 155
Re: transmission flasher [bigredtx] by newowner10
Jan 06, 2009 (8:28 am)
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Replying to: bigredtx (Jan 05, 2009 1:22 pm)

Do you mean they are going to "Flash" the Transmission?
#113 of 155
Re: transmission flasher [bigredtx] by Bad08Sonata
Jan 13, 2009 (11:14 pm)
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Replying to: bigredtx (Jan 05, 2009 1:22 pm)

Good Luck!
 
I've had my 08's transmission reprogramed 4 time now and it does not fix anything.
 
I was told after owning mine for 15 months now, that our (wife & I) driving style is the cause, we are 'light footed drivers." The HMA Regional has drove the car several time but it never happens to him, so they claim there is not a problem.
 
I go to court tomorrow, wish me luck... this is not my only problem... apparently the parking brake has been dragging for 13 months now and guess what ... the brakes are not under warranty now... It been in 4 time for the noisy brakes, but everyone just ignores the repair procedures... I'm done with Hyundia, the cars might be o.k., but the techs I've worked with do not know what they are doing!
#114 of 155
Re: transmission flasher [Bad08Sonata] by bigredtx
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.
#115 of 155
Re: transmission flasher [bigredtx] by ronylala
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.
#116 of 155
Re: transmission flasher [bigredtx] by dave868
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.
#117 of 155
Re: transmission flasher [dave868] by bigredtx
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?
#118 of 155
Re: transmission flasher [bigredtx] by newowner10
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
#119 of 155
Re: transmission flasher [newowner10] by backy
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.
#120 of 155
Re: transmission flasher [backy] by dave868
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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