I just purchased the commander online about an hour ago. Wife asked me to run to the store so I was more than happy to go so I could think about where I'm going to mount it. Started up the truck and on pops the check engine light!!!! Oh, Geez! The Commander isn't even in the mail yet and my truck can feel it coming. I'm joking! Hopefully it's nothing big and I'm sure it has nothing to do with the commander.

There are no symptoms, no nothing. The light just came on. We'll see what they say tommarow.

 

Nice one LOL

 

welcome to DTR. Did you check for codes?

 

Can you check for codes? How? I heard the "key turning thing" didn't work on the '06

 

interesting. As far as I know it does, have you tried it yet? If it works, the list of codes is under the Tech Facts button up top

 

It works just fine.

 

I can't get the code thing to work on my 06... used to do it on my 01.5.
Weird-

 

how do you get them to come up for an 04

 

Tun key from off to on three times relatively quickly. Read the codes in the odometer. When it is done it will say --done--. If there are no codes it will show -------- then --done--.

 

thanks that will come in handy

 

Wow, it did work... But... The code is P0109 and it's not on the list, anyone know what this one means?

 

P0109 Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent

 

It's fixed!!! The ******* said there is a tsb for this code and they just re-flash the ecm. It only took them 5.5 hours, but I'm just glad it wasn't a big deal. Thanks for all the help finding the code and the definition.
Woody