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P2302 How to confirm bad PCM?

 
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  #11 (permalink)  
Old 04 Dec 2017, 07:02 pm
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Default Re: P2302 How to confirm bad PCM?

Quote:
Originally Posted by ptcruisersteve View Post
What are you getting for resistance between PCM connector C2 pin 10 and ignition coil wire 3? It should be less than 0.5 ohms.
Zero ohms.
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Old 05 Dec 2017, 02:09 pm
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Default Re: P2302 How to confirm bad PCM?

One more data point. When I put my ohm meter on #10 in the PCM I read 2 ohms to ground. I'm thinking that confirms a bad PCM?

Also what words of wisdom do you all have concerning a replacement PCM?

When I search for PCMs I get a number of units available for $175 on up. What is the best unit for the price?

Does the new PCM need to be flashed?

Sorry, but when I search the forum for PCM I get "Sorry - no matches. Please try some different terms. Not sure why that is. I'm sure this has been discussed so if someone can post the links,

Thanks,
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Old 05 Dec 2017, 02:14 pm
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Default Re: P2302 How to confirm bad PCM?

I don't know where you are searching, but if you look on ebay, then search for the part numbers. 05033291 is the hardware number. The update number is 05033286. The letters at the end are not important. The PCM needs to have the VIN programmed in order to be used in another car. Once the VIN is programmed, it will be plug and play.
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Old 05 Dec 2017, 04:00 pm
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Default Re: P2302 How to confirm bad PCM?

Another member has tried jump starting the battery with the terminal hooked up wrong and had similar diagnostic data that you had on yours. He also got P2302 code. He replaced the PCM on his Pt Cruiser and it fixed the problem. The link is below.

So...PCM fried?
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Last edited by ptcruisersteve; 05 Dec 2017 at 04:04 pm.
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Old 16 Dec 2017, 04:23 pm
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Default Re: P2302 How to confirm bad PCM- Follow up

OK, finally got my replacement PCM in the mail. All is good so far. Plugged in the new PCM and it started right up, with no codes. It drives and shifts fine.

I used Flagship One. I'm not endorsing them, but they do have a lifetime warranty, good price, the correct part number, and they correctly programed it with my VIN.

This video show how to diagnose your ignition with a VOM and test light.
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Old 16 Dec 2017, 04:33 pm
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Default Re: P2302 How to confirm bad PCM?

Thanks for posting the new PCM fixed the problem with P2302.
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