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Thread: Attempt tune, now car wont start
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04-05-2012, 02:02 PM #1
Attempt tune, now car wont start
I know this is ls1 info but I need to help my dad. So my father has a new 2012 5.0. He bought a cold air intake and a bama tuner. Well we put the cold air intake on and put the tunner in. the download for a performance tune failed... So we retuned the car to stock tune and it ended up being a download fail again. Wtf. Now the car wont start at all.
We called these guys back and they told us to retune the car back to stock. im thinkin the ecu is now all fucked. We did many attempts but failed. Any ideas?
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04-05-2012, 03:01 PM #2
Why would you attemp to tune it for only a CAI..?
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04-05-2012, 03:06 PM #3
- Join Date
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Phantom Black Metallic- 2004 GTO M6
Some folks tune for CAIs and catbacks. Either the PCM is fried or whatever failed in the tune disabled the ignition system. Will the car crank at least?
extreme dimensions, driveshaft shop, harrop, hid(35watt/6k) lows, hurst, k&n, led fogs, maverick man, mishimoto, nitto, revshift, slp, stern st-1, smoked sidemarkers, whiteline poly radius rod bushings
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04-05-2012, 03:51 PM #4
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Custom Swirly Black- 2001 WS6 M6
Probably need to tow it to a protuner. Handhelds are your enemy!
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04-05-2012, 04:06 PM #5Originally Posted by Smittro:2763514
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04-05-2012, 04:06 PM #6Originally Posted by cammed goat:2763515
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04-05-2012, 04:07 PM #7
Does not sound promising...
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04-05-2012, 04:08 PM #8
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04-05-2012, 04:12 PM #9
- Join Date
- Jul 2009
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- North of the Motorcity
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Custom Swirly Black- 2001 WS6 M6
A protuner will be able to tell you if you fried the PCM or if the handheld, if you don't already know, is worthless and then get yourself a proper tune.
Send the handheld company the bill.
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04-05-2012, 04:21 PM #10
Damm this is some f*cked up stuff. I feel bad for him. The store is closed now, were gonna give them a call and see whats up. You think they'd pay for the car to get fixed? Or is this on us?
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04-05-2012, 04:22 PM #11
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04-05-2012, 04:24 PM #12Originally Posted by Smittro:2763538
Not your fault, its ours. I mean this wasnt a cheap tunner, it came from american muscle site. Basically when we were uploading the custom tune the handheld crashed at 51% then thats when everything went to shit.
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04-05-2012, 04:28 PM #13
Check the company's website for FAQS or other info on failed uploads and see if there is a recovery procedure or something.
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04-05-2012, 04:44 PM #14
- Join Date
- Jul 2009
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- North of the Motorcity
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Custom Swirly Black- 2001 WS6 M6
Disconnect the terminals from the battery and short the terminals on the car together and hold it that way for a few minutes. Hook it back up, Then run the handheld.
Last edited by KMdef9; 04-05-2012 at 04:49 PM.
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04-05-2012, 05:26 PM #15
Didnt try that, I just disonnected the negetive, counted to 10 , put it back on, still car wont start, its like its memory was swiped.. It doesnt know its own milage, it thinks its low on fuel, and the security light is flashing, and the guages are blinking red.
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04-05-2012, 06:55 PM #16
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04-05-2012, 07:05 PM #17
Is it an SCT tuner? if so, you need them to send you a recovery file. that will fix your problem.
And im assuming the reason for the CAI tune is because you have a JLT or C&L set up that has the larger tube so your transfer tables had to be changed.
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04-06-2012, 07:37 AM #18
I agree with KMdef9. Disconnect the battery and wait at least 10 mins. Then try again. All those dash lights on are not a good sign. If the battery disconnect doesn't fix it take it to a tuner. They have more software tools that can help pin point the issue.
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04-06-2012, 07:40 AM #19Originally Posted by T/A98:2763597
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04-06-2012, 07:56 AM #20
Try and contact SCT direct. They can email it to you and you just load it to the handheld.
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