Questions & Answers for: harsh downshift

...require a very SPECIFIC fliud. It is called: ATF+4. If you did noty ust this fluid, it will cause harsh shifts and downshifts. If you did use the right tranny fluid, then you will need to do what

P0740 trouble code Harsh shifting 1-2 and 2-3. Downshifting doing the same. Just had it to the trans. shop. Told them and they found everyway to back out of standing behind their work. different oil ...

...up from a stop to driving speeds are fine. Sounds like you need the updated engine computer for harsh shifting. Look up under the glove box at the computer. Number should be 89661-02K21 if not, ...

downshifts very rough into first gear downshifts very hard. when i drive slow the harsh downshifting sometimes will be cured by update the pcm and the ecm module at the dealer

harsh 2-1 downshift while coasting 15 MPH (24 Km/h). A harsh downshift into 4th gear at highway speeds 45-70 MPH (72-113 Km/h) may also be experienced. Some vehicles may have a diagnostic trouble code

...32degF} thx, Mike There is a recall for harsh downshift in 4cyl versions of your generation Sonata. It is a simple ecu update a dealer can do and it should cost you nothing. no recall they told ...

harsh downshifting transmission. Hope this helps ??

...what p17 90 means for 2002 Chrysler 300 M That is a transmission problem of Harsh downshift. First check the fluid level is correct. After that some transmission internal work will need to be

downshift if it is a harsh shift you have a defective transmission or other shift control issue. I would go with the transmission being defective. Has the fluid and filter ever been changed? should be

ECU computer make the transmission run harsh downshift hard? Yes but so can internal damage . Your best bet , take it to a qualified repair shop that has all the diagnostic test equipment to check it