PO607 Control Module Performance

Discuss any problems, warranty, repair, or replacement issues you are having with your Vibe & Matrix

PO607 Control Module Performance

Postby moonstonemike » Sun Apr 26, 2009 1:38 pm

Well after the odd time having the extended crank problem, it finally happened my car died and it didn't want to start and when it did it would run rough, shift extremely hard then studer and die.
I had it towed to the dealer but will find out tommorow what they say.
I scanned it and got a PO607 Control Module Performance and Input signal circuit malfunction code. I guess my PCM IS toast?
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Postby moonstonemike » Mon Apr 27, 2009 1:34 pm

Well I got my car back today and drumroll,,,,,,,

The PCM Was changed. It was an internal short in the pcm. Funny thing is every time I needed a part changed under warranty it would take 1-3 weeks to get the part. This they had in stock and was checked , diagnosed and changed in about 1.5hours I guess its pretty common.

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Re: (moonstonemike)

Postby Raven » Mon Apr 27, 2009 8:59 pm

Were you still under warranty?
I thought the crank problem ended with the '05 model year. I hope my '06 doesn't do it , I have 135K.
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Postby moonstonemike » Wed Apr 29, 2009 1:04 am

Ya it was under warrenty, I think they have a service bullitin up to 06 now. Has you car ever cranked but not started. It happened to me maybe 3-4 times in the past 3 years. With the new PCM my car actually feels like its running smoother, starts a little faster and even seems to have more power on the hiway.
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Re: (moonstonemike)

Postby Raven » Wed Apr 29, 2009 10:08 am

Sometimes I have to crank it quite a long time. I've also noticed it takes a lot longer to idle down on a cold start even though the weather has warmed up considerably.
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Postby moonstonemike » Thu Apr 30, 2009 2:52 am

I had all those same problems with mine. The weather is too warm now to see how the cold idle is, so I don't know if that has changed.
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Postby Wolfman213 » Thu Apr 30, 2009 2:59 am

I'm sorta having an issue like you Raven, however, I don't give it much time, about 5-10 seconds. But even though it's been around 70-80's when it peaked my interested, it started around 1800 rpms and stayed until I put it into gear. However, once into gear, it's fine.
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Postby trb » Fri May 08, 2009 7:40 am

We had to have my son's Vibe PCM replaced a few weeks ago too, with less than 12,000 miles on it. We were having a somewhat extended crank time problem too. The day it quit, it kept dying, and then wouldn't start at all. Towed it in that evening and they started on it the next morning. I was surprised that they had it finshed within a couple of hours. Hopefully we won't have any more problems with it.
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