Reduced power

[Powerstroked6.7]

My 11' has been ******d and been running a mini maxx for four years now , for the first time, after starting it it went into reduced power mode, turned it off and on a couple of times to no avail , so I loaded the h&s box tune and was able to drive home, then I reloaded the custom tune I was running and everything seems to be fine again, what are some thoughts on what caused this after such a long time of never doing this. Thanks

 

[Powerstroked6.7]

So there is nobody out there that when you turn the key on to start it go's into reduced power mode, I then just download the custom tune again and everything is fine for about a week and then will do it again

 

[SoGrand]

Are all your connection plugs taped up that you unhooked? If not I would look at all of them and see witch one is corroded if not all of them. Every truck I have ******d I pack the plug in's with grease and put electrical tape over them so they don't get corroded.

 

[Powerstroked6.7]

Thanks it's worth a try

 

[Codydiesel]

I had your issue I took battery terminal cleaner to my ecm connections and cleaned my battery terminals. It fixed it for me I had the issue off and on for a year. Whenever mine went into reduced power I was able to disconnect my batteries then reconnect them 10 seconds later and it would clear my reduced power if you don't wanna retune it.

 

[Powerstroked6.7]

Thanks I'll give it a try