[DURAMAX'N]

i am an 06 lly with a ppe standard and the check engine light keeps coming on and the first time i took it to the dealer they said it was the engine volts and the next day it came back on what do i need to do thanks justin

 

[05_LLY]

PPe can read codes cant it, Do you have any other mods to the truck, like a exhaust maybe?

 

[DURAMAX'N]

yea i have exhaust but the first time i took it in he said it was something stuck in the emissions dont remember what it was and the second time i took it in for the light it was the battery thing and now it's on agian