2wd in to 4wd

[mattjeep]

What up guys. A while ago i posted something about turning my 2wd kj into a 4x4 and I was wondering why I would have to get the BCM and PCM reprogramed for a 4x4? What do both those computers have to do with the 4x4 system? I would want Command Trac and mine is a 06

 

[Marlon_JB2]

What up guys. A while ago i posted something about turning my 2wd kj into a 4x4 and I was wondering why I would have to get the BCM and PCM reprogramed for a 4x4? What do both those computers have to do with the 4x4 system? I would want Command Trac and mine is a 06

Because they have special programming for the 4 Wheel Drive, more specifically, the low range. Also, for ESP, the list goes on and on.

 

[mattjeep]

Will the 4x4 still work if i don't get it reprogramed.

 

[JLRockies]

I am pretty sure that it would be a lot cheaper to trade your 2WD in for a 4WD model.

 

[tjkj2002]

It will be way cheaper to trade in for a 4wd KJ like JL Rockies stated.The parts needed and programming would amount to thousands more then you'd loose in trade in value,not to mention the labor cost since the ****** would have to be pulled and torn apart to change the rear output shaft(or a new 4wd ****** will need to be bought).

Oh and without the programming it still would work,just not right and in a 4wd KJ the airbags are disabled in 4low and some of the ESP junk is different in 4low also.

 

[ChiefRudy]

It will be way cheaper to trade in for a 4wd KJ like JL Rockies stated.The parts needed and programming would amount to thousands more then you'd loose in trade in value,not to mention the labor cost since the ****** would have to be pulled and torn apart to change the rear output shaft(or a new 4wd ****** will need to be bought).

Oh and without the programming it still would work,just not right and in a 4wd KJ the airbags are disabled in 4low and some of the ESP junk is different in 4low also.

I agree with it being cheaper to trade in the 2wd for a 4wd. Specially since if you look at Windows Sticker the Transfer case is a like $500-$700 (some where around there) Extra.