Duramax Diesels Forum Truck of the Week
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Old 12-23-2017, 12:40 PM
Travlin Travlin is offline
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Default LMM No Start After GDP Flash

I was loading the tune from my autocal and it stopped at 7%. Tried again and same thing. Gets #0281 code. Any ideas?

Last edited by Travlin; 12-23-2017 at 02:06 PM.
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Old 12-23-2017, 01:02 PM
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IOWA LLY IOWA LLY is offline
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Call GDP. They have to fix this for you.


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Old 12-23-2017, 02:12 PM
Travlin Travlin is offline
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Thanks. That's what I figured. I guess I'm dead in the water until I can get the ECM re-flashed at the dealer or get another ECM. GDP is gone for the holidays.
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Old 12-23-2017, 02:54 PM
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I doubt you'll need a new ECM, It's pretty difficult to kill an LMM.

Disconnect AutoCal, turn off the vehicle, disconnect the batteries for 10 mins and try again.

DO NOT operate any vehicle feature that may communicate on the data bus. This includes opening or closing of hood, doors, windows, as well as changing settings on radio, HVAC, connecting/removing charging devices etc. Disconnect items that may interfere with the databus - phone chargers, GPS, etc.

If your still having problems, let me know.

Cheers
Cindy


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