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Hello, I have followed this forum for years but just joined today. Because i've got a sad sad story. I hope you guys dont get this code. Looking for some help maybe. Reading over the forums from this site and cumminsforum, i now fear my ecm has died. Truck running fine after 45 min freeway drive. Get off freeway and truck starts to act funny. Gauges going ape ****(including temp gauge going full hot and then back to cold). Pedal goes more and more unresponsive. (dead pedal). Rpm's are uncontrolled. Truck Rpm all over the place. Truck lost its marbles. In limp mode with rms going full retard.(never go full retard) limp it rest of the way home. Idle home in first gear up steep *** hill . Thinking vp pump computer has died for sure. But no it doesn't look like pump, My Codes from the reader. 0606-very bad code (ecm failure) and a bunch of high input codes. that i'm guessing don't mean **** after the 0606. ,0113,0118,0123,0121,0238. Testing truck -truck will run for a few minutes. with no codes. When its warms up the rpm/gauge issues and codes come back. -I have check alternator for ac noise. I have run truck with 140 alt fuse pulled. Bought a new alternator that i will use later with new ecm. Just in case.... -I have checked apps sensor for fluctuation when truck rpm goes up on its own. Voltage does not move. (check with analog meter). lt Blue with black tracer to ground. -checked/cleaned a bunch of grounds including one by pass side battery. Thinking about taking ecm off to polishing up the surface of engine and computer.? Checking more for bad wiring, intermittent grounding someplace maybe....? What do you guys think? Ecm Toast for sure? Could it be in the Pcm? Where Can i find a good replacement or repair? Nobody seems to sell new ones. They all need to be programmed with right vin. Some ebay sellers have them up for 800 bones. But idk 2002 5.9 5 speed. Mods- raptor lift pump 1/2 inch lines. S@b Intake. Edge mileage max. gauges. 140k miles on truck