Trans stuck in 3rd gear, key won't come out of ignition.Check eng light is on.
Trans stuck (drives only) in third gear. When I shut it off, key won't go that extra notch to come out. I have codes pulled from local Auto Zone store. P0740 P0758 P0785 P1860 Only 55,000 mi on this and never had problem before. Any help would be appreciated.
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Re: Trans stuck in 3rd gear, key won't come out of...
The most likely cause of this condition may be a loss of voltage to the transmission on circuit 1020. This loss of power may be caused by an open in the ignition switch. This condition my also be the result of an incorrect installation of an aftermarket electronic device such as a remote starter or alarm system.
There is a tsb on this problem: TSB# 01-07-30-002D
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You probably have a trouble code stored in the engine computer for a faulty transmission selector switch. The engine computer thinks the trans is in 3rd gear and not park. Or it really could be stuck in third gear.
Sorry Peter I do not have a solution to your car problem, but I also own a 2004 XG-350 and the SAME EXACT thing is happening to my car right now, crazy huh. Pretty much started out of nowhere...the boyfriend is going to go try the leaving keys in ON position and reconnecting the battery. Did you happen to find out what was wrong with yours, thought maybe if you did it would help save me a step. Praying nothing to serious. Hope you got your car working well again!
The mechanic should check the third gear of the transmission . And the shift gear check the shift gear too for why it stuck while on the third gear. if the gear is worn out or destroyed then replace the third gear.Then also look and check the oil seal to make sure the problem is solved. then check and adjust the shift lever sleeve so that it will not stuck.
DTC P0734 is "4th gear incorrect ratio" - that's your torque converter 'LOCK UP Clutch" It's worn out (or you're using the wrong Trans Fluid required by Hyundai - SPIII OR Both). The P1624 is simply the Trans Control Unit (computer) communicating to the Engine Control Module (ECM computer) MIL - on request signal to ECM = asking it to turn on "Check Engine" light. MIL = Malfunction Indicator Lamp. When the torque converter 'lock up" clutch slips or doesn't engage, the trans automatically returns to 3rd gear and stays there (it's called 'fail safe' mode) until you cycle the ignition key, then everything resets until the malfunction occurs again. You'll need to have an AT (Automatic Transaxel) tester hooked up to verify this. Hyundai has a Service Bulletin specifically for "gear incorrect ratio' codes. If when you changed the trans fluid, was it done at a Hyundai Service Center? If not, someone may have installed the wrong fluid.