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98 Lumina PCM Flash???


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Hymer
User

Jun 6, 2010, 6:56 PM

Post #26 of 28 (1325 views)
Re: 98 Lumina PCM Flash??? Sign In

Yes it is, out of a Lumina, the other wierd thing is I can control the TCC with the scanner, but as soon as exit out off TCC test, it goes back to acting strange again! Powers and grounds all checked good.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 6, 2010, 6:59 PM

Post #27 of 28 (1323 views)
Re: 98 Lumina PCM Flash??? Sign In

I thought you might have learned your lesson about used PCMs by now. Good luck with that.



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Hymer
User

Jun 6, 2010, 7:58 PM

Post #28 of 28 (1311 views)
Re: 98 Lumina PCM Flash??? Sign In

One would have thought so! the yard just happened to have a lumina come in on friday, so I said what could it hurt. And it seems to have done it's job. This car had tranny codes in it with the old pcm too. presure switch and a the 740 code. so I'm not too concerned, but not knowing much about trannys, will this hurt the transmission? and it doesnt shift bad or stay engaged at a stop.






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