TPS is fine if it's in the .9-1.0 range at idle and doesn't have any dead spots.
It means the vat (air temp) inside the vam is reading funny. If you have a spare vam you could try it out.
It better have an ACT if it's got an LA3.
81 is the stock BCS is no longer hooked up...that's a good thing
82 You have your fan wired to a switch rather than the stock setup I assume?
Stinger