DSP Installation Problems - Page 6 - Chevy and GMC Duramax Diesel Forum
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post #51 of 59 (permalink) Old 11-01-2013, 04:32 PM
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Originally Posted by tkohl View Post
Installed a dsp5 switch and tunes last night first two tunes worked fine other than defueling badly on the shift for the second tune. The third fourth and fifth spots would kill the truck any idea what it could be???????
Have you been letting the trans learn? The defuel is there to HELP you. You're probably killing the trans and it's trying to save itself. Whose tunes?

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post #52 of 59 (permalink) Old 11-27-2013, 10:38 AM
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Thanks for all the help guys I m gonna check my Lbz again before taking it too a shop!
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post #53 of 59 (permalink) Old 11-27-2013, 10:43 AM
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Wrong thread oops
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post #54 of 59 (permalink) Old 12-05-2013, 11:42 AM
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Hello everyone.
I just purchased a 2007.5 gmc 2500 with the EFI live and DSP 5 switch.
My truck seems to be stuck in the night HP setting. I canning get the switch to work on any other setting? Any advice?

Thanks a lot!!
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post #55 of 59 (permalink) Old 12-05-2013, 02:26 PM
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Did you purchase it from ATP? Give them a call if you did and they will help you out the best they can. Their customer service is great.

2008 2500HD CCSB
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Rare Parts tie rods from Alligator Performance
4" turbo back MBRP by Pat at BT Diesel
lifted with 35s.
Originally Posted by oleblack03
Every time I hear someone say that their half-ton will tow as much as my 3/4 ton I just compare it to having sex with your cousin.......it can get the job done.....but the longterm effects can really F%$ something up
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A firefighter inherits a bad situation too, but you don't see him throwing gas on the fire...
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post #56 of 59 (permalink) Old 03-29-2014, 05:40 PM
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AutoCal and DSP5

I bought the AutoCal and the DSP5 switch. Had a shop load the DSP5 tune on the AutoCal and dump it into the ECM. My switch does not change anything. The shop says its because m wires aren't seated. I've checked and the wires are seated. I even get a voltage change when I turn the switch and use a volt meter to check the voltage on the signal wire. The shop that sold all of this to me wont help after the sale of the AutoCal and the tune. I get the error code $0280 over and over and over.........so I figured if I install the switch and DSP5 tune I wont have to use the AutoCal to change tunes. Well it doesn't work either.....frustrated and about done with EFI LIVE. I'm ready to take it back and get an H&S.
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post #57 of 59 (permalink) Old 03-29-2014, 07:27 PM
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Check and make sure no fuses blew...Also make sure your radio and head lights are off and doors closed. I've heard some funny things interfere with the connection. ...

Sent Screaming Through The Turbo of My Duramax
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post #58 of 59 (permalink) Old 03-29-2014, 10:35 PM
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I close the door, turn off the lights, turn off the radio, the climate control, and still it takes 20+ fails before it finishes a tune flash. Error $0280. I even tried to connect my pc through my AutoCal. The DSP5 was not an available pid to check the voltages.
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post #59 of 59 (permalink) Old 02-07-2015, 11:56 AM
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I recently had an issue with trying to insert the pins on my LBZ. The problem was the silicone they used to seal the hole in the connector, you have to get it all out and not just poke through it. The solution was a small drill bit that would fit in the hole and slowly turn it by hand to pull the silicone out. There is more in there than you think. Once I had it all cleaned out the pins slid right in. Everything is good now.

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