Join Date: Apr 2013
Location: White City
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Edge CTS with P0652 a mystery?
I have a 08' 6.4L crew cab lariat, auto. S&B intake, dpf delete, and Edge CTS programmer. Ever since I got the programmer and deleted the dpf last summer I've been throwing a P0652 code once or twice a month, this puts the truck into limp mode with a dead pedal. Now it happens as a daily occurance. I can't seem to figure it out. I had my Edge updated, I've cleaned ever ground on the truck, checked all v-ref and sgn/ret splices, checked all v-ref voltages at sensors which I get 4.98-4.99 volts. I've so far installed a new pcm, new dpf pressure sensor, 3 new egts, new accelerator pedal.
Its almost like a short, If I shut the truck off and restart it, its all good to go, then 3 hrs later it happens again, the truck throws a light, high idle goes on and limp mode is back. Shut the truck off and restart it and I'm off to the races again. WTF?
I'm running out of ideas here, could my programmer contain a virus or something like a programming glitch?
anyone ever hear of a issue with Edge programs?
Last edited by merculous; 05-30-2013 at 09:43 PM.