2006 Chevrolet Silverado 3500 Mason Dump 4WD DRW with Plow

2006 Chevrolet Silverado 3500, 6.0L V8 OHV 16V.
Fully operational mason dump with plow, but has seen very little use for the last year.
Dump body was replaced (exact age unknown) and is in good condition. Power up, gravity down.
Western plow is fully operational and has a new 5/8 edge installed.
Tires were replaced 7-25 and have less than 1k miles on them.
Batteries were replaced 2-24
Air conditioning blows warm.
Fuel tank mounts rusted and in poor condition. Unable to show in pictures but saddle tank will likely need to be removed and frame mount for strap replaced/welded.
Check engine and air bag lights illuminated, see attached diagnostic scan PDF
Clean title. 
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