i was driving down a hill and it hecuped like i bliped the throttle and when i pushed the go pedel there was nothing, pushed in the clutch and the truck just died. tried the smarty to scan for codes it would'nt connect, cycled the key and it said no bus. the asd relay is buzzing. i checked all fuses they look fine. swaped relays and still the same. please any thing to look for.
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