RAM 3500 2015 dually / 3 generation turbo / revmax transmission / full D/ tuner with double r first started with the stability control light on , then check engine on , then electronic throttle control / they were on and off for days , truck was running perfect , after service trailer brake system even when i was not towing , after all the towing lights on the console were on sometimes by itself . But truck was running perfect , yesterday i got home and never started again , at the beginning i have 2 or cranks but not start , now is just a click / try to deleted the codes using the tuner and it said ecm failed to load and ask to turn key off and on and do the download again , tried like 5 times didn't work , i finally removed double R sd card and try with my original raceme and same thing happen , any suggestions , batteries are good , i checked already . Thanks
any help is really appreciated
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