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Fault 601 PCM issues

 
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Old 15 May 2017, 07:16 am
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Default Fault 601 PCM issues

Hi , having a headache , I get fault 601 which I cleared and it returned,
What will happen if I just ignore it and if I do need to replace PCM how do I even start getting parts.

2000 Limited Edition 2.0L Auto.
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Old 15 May 2017, 09:28 am
Handy_Cruiser's Avatar
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Location: Arkansas
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Default Re: Fault 601 PCM issues

This is a very common issue with the very early PT's. I had it on my 2001 PT Limited. The only way to get rid of it is to either replace the PCM or get it repaired. Back in the day, Chrysler just used a bad memory chip that fails after a while. The effect is that certain settings in the PCM don't get stored. Most reports on this forum do not indicated any substantial problems with this other than annoyance. But the check engine light stays on. And that might keep you from noticing when any other codes gets thrown.

Since this is so common on these early PT's, a remanufactured PCM with a good warranty is likely the better choice than getting a salvage PCM with your VIN flashed into it.

Here's the one I got to replace mine. It's $99 plus $24 shipping here in the US. This price includes flashing in your VIN number so it will work with the SKIM in your PT. And once you send back your old PCM, they give you a lifetime warranty. If you buy this, be sure this is the exact one you need for your PT.

Chrysler PT CRUISER Engine Computer Module ECM PCM ECU - "Plug & Play" | eBay

PS: Auto Computer Exchange sells these early PT PCM's much cheaper on eBay than on their website. That's why I gave you the eBay link.
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Old 15 May 2017, 11:38 am
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Join Date: Jan 2011
Location: Raleigh, NC
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Default Re: Fault 601 PCM issues

I had that fault code on my '01 as well, years ago. Luckily for me the car was still covered by the federal 10 year/100k mile emissions warranty, so the dealer replaced it under warranty. Aside from the check engine light being on the car ran no different, but it would be an automatic inspection failure so it had to be replaced...
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Old 15 May 2017, 12:02 pm
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Default Re: Fault 601 PCM issues

Welcome to the forum from Texas. My '01 LE has the same thing. No other problems other than the CEL is on. I opted not to replace the computer at this time. I've checked for other codes a couple of times in the 3 years I have owned it.
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