Question about 1998 Jeep Wrangler

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1998 jeep wangler 2.5 auto trans, when trans is put in drive it wont start out in 1st gear it trys to take off in 2nd or 3rd , but if i pull the shifter back in 1st it will go in to 1st, it dont seem to want to shift on its own, not slipping and i changed fluid and filter, thanks

Posted by fugly63 on

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fmkaguru0203

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Give me some more information about this problem. May be i can help.

Posted on Jul 14, 2011

  • fugly63 Jul 15, 2011

    i had the battery out for about 6 months, would it need reprogramed to tell it how to shift
    my brother had a chevy truck he had to do that to

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Sounds like your transmission is in limp mode. This is a fault mode in which the transmission either loses electrical power or the PCM deactivates all of the electronics. The transmission will default to max line pressure. The driver will have Reverse and 3rd, with manual 2nd available by putting the gearshift in 2 or 1 (doesn't matter). 1st, 4th, and TCC lockup will not be available. It will not hurt the car to drive it like this for short periods, but use manual 2nd to get the car moving, and be aware that the trans will generate more heat than normal while operating in limp-home mode due to increased torque converter slippage during 2nd gear starts and no lockup in 3rd gear.

The other from what you described, trans shifts 2nd to 3rd by itself in D or OD and locks the converter : ShiftA solenoid failed. Easy fix in the pan. Or a wiring problem from PCM to trans.. or PCM.

Thank you for using fixya and have your Safari scanned for the DTC codes that would indicate what issues your transmission is having to put you in to limp mode.

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2 Answers

Where is the fuse for the tranny it takes off in 3 gear it is a 4 speed auto i blow a fuse or some thing thank you bob


The trans has a built in limp mode if it detects a problem. More than likely there is something else wrong,

Try to reset it first. Turn the vehicle on and off 3 full times and then start it and see if it starts out in first. If you then fell it lurch and go back into limp mode have it scanned to see. It could be the trans computer, a sensor or a hard problem internal to the trans. Hope this helps.

28 years rebuilding trans and factory trained by chrysler on that trans.,

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