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Old September 29th, 2013, 02:07 PM   #1
jcboof
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Default 2001 TJ 4.0L 5spd ECU

Looking for a computer for my wrangler, Not really sure what others are compatible but I know it has to be from a 4.0l 5spd wrangler.

Anybody have anything??
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Old September 30th, 2013, 12:43 PM   #2
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I believe that I have one I can check tonight pm me for more info
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Old October 1st, 2013, 12:50 PM   #3
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I have one, but it was on a vehicle with Sentry Key. If you have Sentry Key then you could have it reprogrammed to work with your setup, but if not, then there's no way to disable the feature that I'm aware of.

It was 2001 TJ 4.0 5-speed.
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Old October 7th, 2013, 09:30 AM   #4
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Pms sent.

Mine does not have Sentry key as far as I know.
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Old October 7th, 2013, 09:34 AM   #5
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What's your problem with the original pcm?
A new pcm might not fix it.
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Old October 7th, 2013, 10:45 AM   #6
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Original pcm goes wacky when ambient temps get high.

Basically when the under hood temp starts to rise, all my dash gauges start to jump and eventually die. Its not the typical tj/xj dash problem though. Different years different connectors.
I've verified the issue by putting a hair dryer on the PCM with the key on and within 5 seconds of applying heat, the gauges start jumping and then die. After cooling off for a bit the gauges return to normal.

The warmer the outside temps are, the faster the problem acts up. On cold mornings it can go almost 20 mins before it acts up.

The Jeep still runs fine. Just the gauges die.
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