HP Tuners info-dyno tune
03-22-2012, 08:56 AM
#1
Staging Lane
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HP Tuners info-dyno tune Having the V dyno tuned today. Will be done using HP Tuners. Is there anything along the electrical/fuse side that should be disconnected beforehand? Such as Onstar/Nav? I want to make sure I dont lock out the pcm, etc (if thats even possible).
03-22-2012, 09:45 AM
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On The Tree
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You don't need to unplug anything. Just make sure EVERYTHING is turned off (lights, radio, doors closed) when they flash the computer. If your battery is in good shape, you should have no problems.
03-22-2012, 10:55 PM
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Twitch nailed it, I've flashed mine a dozen or more times without an issue. Keep everything off and you will be fine. Another thing you might want to watch is when flashing the ECU the laptop needs to be running on battery power, having it plugged in can cause ground offset and screw with the flash.
03-23-2012, 01:30 PM
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I've never had a problem leaving lights on or doors open with HP Tuners...hundreds of flashes over the years. The one thing I've never tried is flashing with the laptop plugged in as the others said. Its a big fat warning and although you will probably be fine more ofthen than not, I've never tried it..haha.
