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post #1 of 4 Old 07-01-2020, 09:10 PM Thread Starter
urimar
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2000 Jeep Wrangler

Hello every one.
Fairly new in this site and needing your help.
I was looking for a jeep for my daughter, she really wanted one but , she wanted an old one that we could work on getting it on the road together.
I found a 2000 Jeep Wrangler that look in good enough shape but, needing some work. The check engine light was on and the airbag light was on. My daughter was so excited that I took the chance and bought it for her. Jeep started right up and we were driving it home. Besides some shocks noise I did not notice or hear anything else until I took a sharp turn. It sounded like antilock brakes without the breaks being applied. I just could not wait to get home. Two blocks before we got home all of a sudden the car started to slow down, I press on the gas and nothing happened. The motor was running but the car just stop. I turned the car off and got out of the car. I noticed a pool of oil under the car. We towed the car home. I checked the oil leak and found a broken transmission fluid hose, it was suppose to go to the radiator to cool the fluid but it was not connected right, fluid was still dripping out from the hose and it was extremely hot.
We have done some work to the frame, the suspension and some electric work. We are ready to tackle the warning lights, the codes are P0601 (I have not been able to find anything about this exact code) and, code P0743(Torque converter circuit malfunction?)
Is it worth it to keep working on this jeep with this codes needing to be fixed?
Where can I find information about the P0601 code? What is it?
Is it possible to get a Transmission solenoid rebuild kit?
Any help and suggestions would be highly appreciated.

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post #2 of 4 Old 07-01-2020, 11:28 PM
TheBoogieman
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2003 TJ Wrangler 
 
Join Date: Aug 2006
Location: charlottesHELL
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P0601
Internal Controller Failure
Internal control module fault condition (check sum) detected. Time for a new PCM most likely.

Quote:
Originally Posted by jeepinmichguy_ View Post
TheBoogieman is a jerk.
GOT IT BACK 6/17. 03' Rubicon/Zone 4.25" combo lift with 4" lift coils up front/Zone hydro shocks/5.13 gears/35" Mickey Thompson MTZ P3 tires/Black Magic brakes. Jeep #17 & 19.
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post #3 of 4 Old 07-01-2020, 11:31 PM
mukluk
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2000 TJ Wrangler 
 
Join Date: Oct 2010
Location: Clyde
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P0601-PCM INTERNAL CONTROLLER FAILURE
When Monitored: Ignition key on.
Set Condition: Internal checksum for software failed, does not match calculated value.

Not a good code to see, it indicates the PCM has an internal failure. If you're really lucky it may clear if you disconnect the battery for a few minutes, but it's quite possible the PCM is toast. I'd make sure the PCM connectors and battery cable connections are all clean and tightly mated, then maybe consider having the PCM reflashed if the P0601 code returns. If that doesn't fix the issue, a replacement computer will be necessary.

2000 TJ SE
2005 LJ Rubicon
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post #4 of 4 Old 07-02-2020, 09:19 PM Thread Starter
urimar
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That does not sound good.
Thank you.
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