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Old May 22nd, 2022, 12:09
seanof30306@yahoo. seanof30306@yahoo. is offline
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Does the ABS work through the PCM, or is it standalone?

Does the ABS work through the PCM, or is it standalone?
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  #2  
Old May 22nd, 2022, 18:55
lawsoncl lawsoncl is offline
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Re: Does the ABS work through the PCM, or is it standalone?

Typically a separate module.
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Old May 22nd, 2022, 21:13
seanof30306@yahoo. seanof30306@yahoo. is offline
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Re: Does the ABS work through the PCM, or is it standalone?

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Originally Posted by lawsoncl View Post
Typically a separate module.
So I have a '96 that has ABS with a reman engine, rebuilt front and rear diffs, new alternator, steering box, suspension, etc., but a crappy body and interior.

I found a non-ABS 2000 with a great body and interior but a bad engine. I'm thinkin I'll just put the 2000 intake and coilpacks on my reman 96 engine and swap it in, along with the diffs, suspension, etc., and the ABS
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Old June 24th, 2022, 18:08
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four_shot four_shot is offline
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Re: Does the ABS work through the PCM, or is it standalone?

It's a bit more involved than that. But the theory is sound. The 96 fi and ignition systems are different than the 2000. And it's not entirely backwards compatible. Research Research research.

I managed to score a 99 someone was trying to swap a 96 power train into because he didn't know they weren't compatible.
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Old June 25th, 2022, 05:29
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Tim_MN Tim_MN is offline
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Re: Does the ABS work through the PCM, or is it standalone?

XJ ABS is IMO not a big deal. Mine has been disabled for +15 years.


Any 1987-2001 XJ Cherokee 4.0 L engine block or 1993-98 ZJ Grand Cherokee 4.0 L engine block will interchange.

Remove and re-use ( or replace with new ) as needed or required from your original engine: Intake/Exhaust manifolds, motor mounts, throttle body, fuel injector rail, flex plate/flywheel, cylinder head, water pump, distributor-less ignition or distributor assembly, OBD engine computer sensors, fan belt driven accessories, and/or mounting brackets.

If your 2000-2001 XJ Cherokee has a cracked 0331 head, buy a good used redesigned and more durable TUPY 0331 head from a 2002+ 4.0L TJ Wrangler or WJ Grand Cherokee.* The 0331 head up through mid-2001 was fit only for scrap - look for a replacement with the TUPY foundry mark under the oil fill cap, this is the revised head that will last. Available late 2001-2006, this TUPY 0331 can be retrofitted in place of an early 0331 head without difficulty.
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Old June 25th, 2022, 10:16
Unclewolverine Unclewolverine is offline
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Re: Does the ABS work through the PCM, or is it standalone?

It seems like abs is important to the poster. Having to stop several hundred times a day on gravel it's very important to me. I don't know if it is run through the ecm or not. It's at the very least going to need a vehicle speed signal to compare wheel speed values I would venture. What year did they change the speed sensor signal type? I know its different from a 95 to a 2k.
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