p0683

Deadeye_88 · #1 (**permalink**) 11-15-2008, 05:37 AM

my check engine light came on. coce p0683. what is it?

**Diesel Freak** · #2 (**permalink**) 11-15-2008, 05:45 AM

Glow plug module/ECM/PCM - communication fault

**dhanna6powerstroke** · #3 (**permalink**) 11-15-2008, 05:46 AM

Quote:

Originally Posted by Deadeye_88

my check engine light came on. coce p0683. what is it?

P0683 is the "Glow Plug Control Module to PCM Communication Circuit". Don't know what is actually causing it but that's what it is. Hope it helps a little.

Deadeye_88 · #4 (**permalink**) 11-15-2008, 06:05 AM

k thankx. how do you fix this prob. ive been reading some more info on it and it says that i need to replce the gpcm unit. ive also read that this is because gp 8 is out? what should i do?

DoubleDpsd · #5 (**permalink**) 11-17-2008, 01:57 AM

Can't you read codes with an SCT Livewire in your truck?

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