Check Engine Light and Transmission Won't Shift Correctly on Hyundai Tucson

If the automatic transmission does not shift properly and the Check Engine Light illuminates, the speed sensors in the transmission may have failed. The sensors are simple and inexpensive to replace.

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Average mileage: 94,261 (12,500–205,000)
Drive Trains affected: 2WD, 4WD
9 model years affected: 2005, 2006, 2007, 2008, more2009, 2010, 2011, 2012, 2013
38 people reported this problem
20 people shared problem details
Every once in a while (once a week, maybe). The transmission will shift hard. Then Check Engine Light comes on, and I'll notice that it'll now stay in 3rd gear. If I manually shift, it'll work for 1,2,3 (can't go to 4th). Usually, when I stop the car, and start it again, it'll shift normal again.
I have had my 2 different sensors replaced. one was a thrust sensor ? the other accelerator sensor? now my check engine light will come on when i accelerate and the car jumps, bucks, and it stays stuck in one of the gears and when i step on the gas it does not accelerate. then with in two minutes it shuts off. I have brought the car to hyundai numerous times and they say they can not find anything wrong but the last time they said i needed new spark plugs and spark wires. and it would only cost 642.00 wtf my car does not have that many miles and who the heck has that type of money nowadays. i have an extended warrenty that runs out next mth. please some one help???? i dont feel safe in my car with my 3 kids.
2005 Hyundai Tucson- 4WD80,000
Transmission not shifting Speed Sensor failed. Replaced
2005 Hyundai Tucson- 2WD82,000
My Hyundai dealership told me it was the fuel filter in the tank, so I changed pump and filter, still not fixed so I changed the accelerator sensor and mass air flow sensor. still accelerates when driving RPM's going up and down. If I drive it by using the manual shift it's OK. Any suggestions.
2011 Hyundai Tucson- 2WD40,000
So far only occasionally but it is getting worse. Car does not shift properly, up or down. It gets stuck shifting between gears, it jerks and sometimes clunks hard when it does finally shift. Hyundai says they will only look at it if they can replicate the problem. I had the same trouble with them when trying to get my door locks fixed when the car was new. They still don't work properly and the driver's door will lock itself while the car is turned off, sometimes they all lock. I've never been able to leave my keys in the car for any reason for fear of being locked out. This transmission problem though worries me. I was told to wait until it got serious to bring it in if I didn't want to leave the car with them for an extended period of time. (are you kidding me, they are well aware that there is a problem, fix it)
2013 Hyundai Tucson- 2WD35,000
3 transmissions later and no clue what problem is yet
transmission shifting problems
2006 Hyundai Tucson- 2WD90,000
transmission shifting problems
2011 Hyundai Tucson- 2WD45,000
HAD THE SAME PROBLEM TOOK IT TO HYUNDAI and they replaced the ATF-SP-IV-M #00232-19057 and the Harness # 46307-38650 the code was PO713 for tranny temp sensor. Fixed it for free.....still under warranty
2007 Hyundai Tucson- 2WD200,000
Speed sensor failed.
2007 Hyundai Tucson- 2WD133,000
Low fluid light on and shifter doesn't stay in drive or park
2005 Hyundai Tucson- 2WD205,000
the shift gear does not work and the gear is stuck on 2nd
2005 Hyundai Tucson- 4WD156,000
Rear axle sensor
2010 Hyundai Tucson- 4WD66,000
Same as others
2005 Hyundai Tucson- 2WD105,645
Shifts slow from 2 to 3rd gear and then downshift fast when come to a slower speed area
2007 Hyundai Tucson- 2WD115,500
When we have our car on cruse control and we are driving and turn on the a/c or anything the check engine light comes on
2005 Hyundai Tucson- 4WD153,978
The repair shop diagnostic reports transmission feels jumpy&trans codes are stored in history.Their solution, flush transmission fluids($59.00)replace with 8qty.ATFSB synthetic transmission fluid($9.99ea.)then drive on highway, trans will jump into gear.After 50 miles later,problem still exists.
2007 Hyundai Tucson- 2WD106,000
Check engine light came on. It needed a transmission sensor that was under the transmission pan along with a new filter. Also supposed to add new transmission fluid, drive around a bit, and then flush the system.
2005 Hyundai Tucson- 4WD110,000
It works only in 4wd and no more than 25 mph
check engine light come when going up steep hill dont change good
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