VEHICLES, CAMPERS, and BOATS > General Maintenance, How to/DIY projects

Truck will not shut off

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oklawall:
So grandson came to visit us this weekend, when he went to leave I noticed a u joint clunk on his truck so I sent him home with mine which is 2 1/2 hour drive away one way. He called me today and said he he can turn the key off, remove the key and get out of the truck. The truck will shut down if you pull the ecm fuse in the engine bay. I'm think that it most likely would be the ignition switch but wanted to ask what else it could be and is there a better way to shut the truck off besides pulling the ecm fuse. The truck is an 06 chevy with the LLY /LBZ engine

Thanks
Steve

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kampfitt:
I had similar on my 08 turn the key off and it would run on for 1-3 min.  the mechanic traced it to the trans. control module!  I don't know how that could do it, but mechanic is a friend and it's never done it again. So if the key doesn't do it maybe look that way.

oklawall:
I had the kid swap the starter and ecm relay, clear the P2510 code and restarted. Same problem and code comes back , he also told me that the radio, cts and lift pump all stay running. I'm thinking ignition switch but not sure

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Bigdave_185:
I haven’t come across this so I don’t have anything to offer but wanted ya to know I’ll support what ever ya do lol moral support from Utah!


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oklawall:
Going drive up and swap his truck for mine and bring it home. Will swap out the switch looks to be pretty easy if it doesn't work I will disconnect the batteries and wait for it to get warmer. Tonight low is 3 deg with a wind chill of -25 deg. After the military there is nothing in me that wants to get out in that to drive anywhere. Well unless the wife gets on my nerves and I will go to the shop and work on it.

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