Duramax Diesels Forum Truck of the Week
Old 04-28-2009, 07:30 PM
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ripmf666 ripmf666 is offline
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Originally Posted by WanaDmaxsub View Post
A little OT here....but...
This same (30 min) procedure works on a Saturn ION when you have to replace the ignition switch. The only thing I'll add is that you have to turn the key off after the last 10 cycle before you start the car. If you don't you have start all over again.

This is built into all Gm built cars and truck, You also have to turn it off on the trucks to on the last cycle.
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2013 GMC Denali HD 2500 ccsb,100%stock,spray liner,B&W
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Devil Girl 2006 2500HD LBZ Ex-Cab 4x4
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Old 07-02-2012, 03:20 PM
andrewvega24 andrewvega24 is offline
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Security light isn't turning off?
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Old 04-09-2016, 04:36 PM
blazin dmax blazin dmax is offline
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Location: az
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I'm assuming this is for vehicles that are in a crank but no start condition? I'm dealing with a 04.5 LLY that is in a no crank situation after a failed ecm read with efi live. Tried doing a vats relearn through efi live scan tool and it wouldn't talk to the ecm. Pretty sure I've got a bricked ecm.
06' LBZ reg. Cab 4x4
Efi live, mike L trans, fass 150
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Old 05-06-2016, 10:30 PM
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kidturbo kidturbo is offline
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Find a Tech 2 and reload a factory OS. It's not hard bricked, but EFI won't fix it at this point.
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