PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

Possible fried VCM?

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Old Jul 23, 2008 | 10:03 AM
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Default Possible fried VCM?

Is it possible to have a bad VCM, and the car still run?
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Old Jul 23, 2008 | 10:15 AM
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.Yes.
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Old Jul 23, 2008 | 10:22 AM
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Hmmmm, interesting. I got a new Hptuners cable here and it cant find the VCM. Been fighting this thing for days now, my friend just flashed it a couple weeks ago and it worked fine. I just dont get it. I need to get my friend back over to make sure the problems not on my end, which i highly doubt it is.
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Old Jul 23, 2008 | 10:48 AM
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Check your cig lighter fuse, If its blow, the ALDL port will not have power and the HPTuners cable will not connect to the VCM.
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Old Jul 23, 2008 | 12:50 PM
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Could be the ALDL fuse or a drivers issue, those are the two likely culprits.
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Old Jul 24, 2008 | 01:34 AM
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Not a fuse, i can still scan the car with my old HPtuners cable. I even checked them already.

As for the drivers i've been fighting that for 3 days now. I've installed them, reinstalled them.

They look identical to this picture. http://www.hptuners.com/help/gfx/vcm_suite_install_6.jpg

BTW im using XP, i wonder if i have the right drivers, arent there differant ones for vista, etc.
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Old Jul 24, 2008 | 09:53 AM
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The ones on the CD work fine on vista & xp as we've thoroughly tested them. If the drivers are installed properly it might be a hardware issue of some sort, if you send support an email with your serial number & a link to this thread we can have you send your interface in for inspection.

-Bill
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Old Jul 24, 2008 | 11:37 AM
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I have an unlimited 98 license Jim, I can try and read it saturday at the track?
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Old Jul 24, 2008 | 11:05 PM
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Thanks ray, i'll just throw my old MAF back on there and have you stick a old tune back in it so it goes down the track. Its Leo's interface, and he cant get it to work either.

Lemme know if you still want that plate, so i can bring it with me.
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Old Jul 25, 2008 | 11:40 AM
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Shouldnt be a problem to get you going.
Bring the plate with you, I still want it.
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