Question about 1994 Jeep Grand Cherokee

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1999 jeep cherokee ECU Replacement

Hello, I'm looking for a replacement for my jeep cherokee 99, the current part number is Chysler P56041 492AC, I found a Chysler P56041 492AD, can this computer works ok with my cherokee?

Thank you for your help.

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  • Anonymous Mar 27, 2014

    Hi!! I have a Jeep Wrangler 2002/ 2.5 / 5 spd./ 4 by 4 / computer# P56041-935AE in finding a computer at the Junk Jard all the # must be the same???

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  • Master
  • 2,004 Answers

Yes perfectly well.

Posted on Jul 01, 2009

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Hello, I'm looking for a replacement for my jeep cherokee 99, the current part number is Chysler P56041 629AD, I found a Chysler P56041 278AD, can this computer works ok with my cherokee?


THE PCM MODULE.
no country stated, the 728ad shows Europe. (why?)
"I found"

where, at ebay, at pick-apart, or ?
USA cars have 11 PCM for one engine. fact.
and 100s more world wide.
what a question, just a p/n
then you post to grand Cherokee and then text leaving out Grand.?
why?
i searched the part at jeep and is wrangle part, 629ad.

you do know that it must be reprogrammed to your car right:?
the pcms on cars can vary
by engine, trans opted , 4wd/2wd,and year.
federal PCM
Calif PCM
and mexico PCM
and 9 more. just for 1999

is yours 42RE for 45RFE?? tranny??? 30/32 RH? what?
post county (or state if calif)
post engine and year
post body and not contradict.?
post drive line, in car, tranny and if 4wd?
then we can match it up
or call jeep.com

they (jeep) will do this magical thing!
ask you the VIN.
and then look it up in their database.
and see ALL THE ABOVE even what radio is in it. of 5.
me, im a glass half full guy (hard knocks, reality stuff)
id not even believe the part in car is correct.
im too SAVVY !
i find out from jeep what it should have first.

not one matches the 4.0L in the GC.


the 629 posted shows this at jeep.com

JEEP WRANGLER 2.5L Power Tech I-4 Cyl., 3-Spd. Automatic 30RH 1998
JEEP WRANGLER 2.5L Power Tech I-4 Cyl., 5-Speed Manual 1998
JEEP WRANGLER 4.0L I6 Power Tech, 3-Spd. Automatic 32RH 1998
JEEP WRANGLER 4.0L I6 Power Tech, 5-Speed Manual 1998
(if true needs to be programmed to each)

the send number
56041 278AD

lands at.
(part not found, is this a non usa part?) im stumped

was fun to try.
but im stumped.

Mar 31, 2016 | 1999 Jeep Grand Cherokee

1 Answer

Will a 99 transmission fit in a 95 jeep grand cherokee, both 2 wheel drive


what trans, 42 or 44 RE?
ask a wrecking yard (has Hollandar data base index)
or ask jeep.
the jeep ZJ
ask in transmission shop on earth> ,they know.
the fsm shows 93 to 98, not 99...
or use google , its free and fast and, there.
" 44re Jeep interchange"
1st hit,even shows the hollander number
5.2 LITER right?

http://www.smartpartsauto.com/automatic_transmission_44re.html

44 is 96-98

42 answer , amazing on a real jeep forum

http://www.jeepforum.com/forum/f13/transmission-went-out-my-95-zj-what-other-year-42re-will-swap-1319686/#post12927031

2000 has TCM shifted box.

why not read the full tag on the side of the box
for what it REALLY is.

it wont lie!

Jan 07, 2016 | Jeep Cars & Trucks

1 Answer

ECU Replacement Hello, I'm looking for a replacement for my jeep cherokee 99, the current part number is Chysler P56041 424AH, I found a Chysler P56041 683AD, can this computer works ok with my ...


ECU TOPIC (swaps)
why ask us? we can't see car, or see what drive line is there. nor VIN code.(telling same)
why not ask JEEP.?
amazing ?

ever seen this?

http://www.factorychryslerparts.com/productSearch.aspx?&ukey_make=1064&ukey_model=15529&ukey_trimlevel=0&ukey_modelRange=0&modelYear=1999&ukey_category=0&ukey_driveline=0&isOnSale=0&searchTerm=



computer, ,that is the ECU, and is not the only computer.
here are the ECU rules. (not full, only jeep knows all rules)
it must have same base number.
then needs to be programmed to match your cars, drive line and federal smog laws and year.)
end story.

Aug 21, 2015 | 1999 Jeep Grand Cherokee

2 Answers

Does lamp outage module 56042017 work on a 1994 Jeep Grand Cherokee? The posting indicates it works... does anyone have personal knowledge on this.


To start off, I hoesntly do not understand the question or problem you have. By the look of those part numbers in your post, those are OEM Chysler Jeep part numbers, but before I can help you with your problem. I need to know what is going on first. If you can, please explain what exactly is the problem with the vehicle and I would gladly try my best to help you. I worked for Chysler Dodge Jeep for a long time. These jeeps are fairly simple to diagnos with a little detail of the problems. Thanks

Dec 08, 2014 | 1994 Jeep Grand Cherokee

1 Answer

Hello, I'm looking for a replacement for my jeep


Check with the folks at the dealership for that. A parts dept. person should be able to run those numbers and give you the meaning, and whether they are compatible or interchangeable. One of the knowledgeable technicians may be able to help you too.

May 15, 2013 | Cars & Trucks

1 Answer

2001 Jeep Grand Cherokee Brake replacement


go to rockauto.com and look up the brake part numbers for each. If the part numbers are the same, then they're interchangeable. If not, then no

Sep 25, 2017 | 2001 Jeep Grand Cherokee

1 Answer

Front end popping on 99 jeep cherokee


Hello! I would suggest that the Ball Joints need to be replaced either that or The Control Arm Bushings are gone...Take the vehicle to a trusted front end shop and have it looked at...Many shops will not charge for an inspection and if they do it is fairly minimal...Guru...saailer

I’m happy to help further over the phone at https://www.6ya.com/expert/david_6df67de3b14de867

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1 Answer

Front Factory Fog Lights Dont work!


For my 99 jeep cherokee sport it was the switch itself that needed replacing. After doing a search on google I found one for about 30 bucks and it only take a few minutes to replace. I am a novice when it comes to these things but it wasn't to hard at all.

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I have a 99 Jeep cherokee and there is a popping noise when turning or backing up. I have replaced everything possible and the noise is still there


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