This is ridiculous! I paid good money for this programmer and it's worthless! I can't even sell it because it's locked out! I will never recommend a Diablosport to anyone!

Any word on this?

Hi, I have the same truck, '08 LMM and I'm having the exact same problem. I tried 6 times this weekend to load the tow program and it keeps returning the ECM Lock Error. It normally takes me several attempts to load a program but now it won't do it at all. I removed the 3 fuses but to no avail ...

Hi, I have the same truck, '08 LMM and I'm having the exact same problem. I tried 6 times this weekend to load the tow program and it keeps returning the ECM Lock Error. It normally takes me several attempts to load a program but now it won't do it at all. I removed the 3 fuses but to no avail. Help ...

Did you ever resolve your problem? I just installed my 60hp tune on my '08 LMM and I'm having the same issue. I get the trailer brake message as well as an ABS error on the dash. I verified and my ABS is in fact disabled. I shut the truck of and it clears. Then it does it again going down the road ...