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HELP Why Wont my HPT Work Now?

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Old May 7, 2007 | 07:59 PM
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From: Shelby Twp. Mich
Question HELP Why Wont my HPT Work Now?
I have been having trouble for a while now,But when I tried to download my Current tune it stopped in the middle of it and wouldnt get going it kept trying to connect and it wont.So I shut everything down and tried to do it again.Now it wont pick up the pcm at all.a couple of weeks agao I had to reload HPT on my computer because my Hard drive took a crap.What am I missing?This is the First time I have connected it to the car with the new Hard drive...Please Help...Thanks!
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Old May 7, 2007 | 08:07 PM
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Are you using the older serial version or the newer USB based version?
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Old May 7, 2007 | 08:11 PM
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From: Shelby Twp. Mich
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foff667 I am using USB port ,I use a serial to USB port adapter
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Old May 7, 2007 | 08:22 PM
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is there anyway you can test it out on a computer that has an actual serial port to find out if its a hardware issue vs. a computer related issue? Also check your cig. lighter fuse to make sure its not blown. Were you using an inverter?
Last edited by foff667; May 7, 2007 at 08:51 PM.
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Old May 7, 2007 | 08:53 PM
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From: Shelby Twp. Mich
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I dont have another computer at my disposal
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Old May 7, 2007 | 09:19 PM
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check the fuses in ur door panel first. if u have something else serial, try that also
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Old May 7, 2007 | 09:40 PM
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Which Fuses?It says no voltage signal or something like that.It wont even Idenify my Vin #
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Old May 7, 2007 | 09:53 PM
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and all this after a new Hard Drive?Dont make any sense
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Old May 7, 2007 | 09:58 PM
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New harddrive wouldnt make any difference.

Blown fuse would

running a power inverter would
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Old May 7, 2007 | 10:00 PM
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which fuse powers the OBD2 port? think its radio or ciggy.
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Old May 7, 2007 | 11:09 PM
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I'll Check them
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Old May 7, 2007 | 11:23 PM
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Shoot I couldnt get that lucky.All Fuses good
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Old May 8, 2007 | 09:48 AM
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It could also be a failing serial cable. That happens over time due to use and wear.
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Old May 8, 2007 | 09:50 AM
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Originally Posted by foff667
New harddrive wouldnt make any difference.

Blown fuse would

running a power inverter would

whats the deal with a power inverter?
i sometimes run a power inverter if the battery is low on the laptop.
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Old May 8, 2007 | 09:58 AM
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Originally Posted by MrDude_1
whats the deal with a power inverter?
i sometimes run a power inverter if the battery is low on the laptop.
The last time I tried to use my inverter was on a read using the old serial interface...the interface kept disconnecting during the read and it wasnt able to finish the read so I unplugged everything and eventually had to disconnect the battery to get the car to start again. Definitly not recommended using one during reads or writes.
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Old May 8, 2007 | 02:02 PM
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I had connection issues and the serial cable went bad. Bought a new cable and the laptop connects to the VCM with no issues.
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Old May 8, 2007 | 05:23 PM
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From: Shelby Twp. Mich
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Well I guess I'll have to check the cable.I hope it's not the cable that plugs into the cars port.Does HPT make a cable that goes from the serial port of the interface to USB?
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Old May 8, 2007 | 05:45 PM
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From: Shelby Twp. Mich
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I dont have my interface in front of me ,but what does the interface have on the computer side male or female(9 holes or 9 Pins)? I will stop on my way home for a cable...Thanks
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Old May 12, 2007 | 09:04 PM
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Yep My Optima Red Top was Dead Completely after 2 1/2 years New Bat and HPT Works Great!!!!
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Old May 12, 2007 | 09:26 PM
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Glad to hear you found the issue!

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