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Old 01-26-2012, 07:23 PM
Dsul Dsul is offline
Dodge Ram Forum Newcomer
Join Date: Dec 2011
Location: Southern Utah
Age: 35
Posts: 4
Gender: Male
Vehicle: 2003 Ram 2500
Trim Level: SLT
Color: Blue
Engine: 2003-2008 345ci (5.7L) Hemi V8 345hp 375lb/ft
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Default Tried to Jumpstart, now truck has P0685 Code

Info: 2003 2500 Quadcab, 5.7 hemi, 4x4, Auto-trans

So like an idiot, ran my battery dead listening to my stereo while installing a DPF filter in our Peterbilt. Had my helper pull his truck over to jump start my truck.

Connected cables, Truck spins but will not fire. Code P0685 - ASD RELAY CONTROL CIRCUIT popped up.

Checked relay, checked Fusebox everything looks good, checked grounds. Dealership says that I fried the PCM.

Truck ran like a champ until now.

3 questions:

1. Does the battery need to be fully charge for the ASD relay to work.

2. Anything else that I can check?

3. If it is the PCM where is the best place to order them from, Dealer wants 700 Bucks. Checked, and They have them in stock for under 300. Anyone know a better place.

Also if I can kill 2 birds with 1 stone, wondering if there is a place that can tune it for me as well, like wester did for my Envoy.

Any help or suggestions would be appreciated.
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