Can I correct with Diablo?

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PCT

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I have a Diablo tuner from Moe's that I used on my '13. I kept it. I adjusted tire size using the tuner on my 13. Can I use the Diablo Tuner on my '19 2500 to just correct tire size? I understand I cant tune it with out a unlocked pcm or what ever, but tire size?
 

CG2742

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Do you have alpha odb? I think you can do it with that. Not sure about tuner.
 

MADDOG

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Nope, can't do it with the Diablosport unit. You can't access the PCM with it.
 
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PCT

PCT

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Nope, can't do it with the Diablosport unit. You can't access the PCM with it.

Is there any success with using AlphaOBD with these new trucks? I dont see as many stories of people just pluggin that **** in and goin.
 

MADDOG

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