GM Update V652.50

hawk99gt · 2026-06-11T12:26:29-0600

Anyone get this update? Says it fixes to address reduced propulsion.

BigBlackie_'25TB · 2026-06-11T13:01:11-0600

hawk99gt said:
Anyone get this update? Says it fixes to address reduced propulsion.

I'm not positive, but I am almost certain this update resulted in my Range Technology DFM Disabler no longer working.

Stormin08 · 2026-06-11T14:42:29-0600

why not use your HP tuners suite and take care of that

hawk99gt · 2026-06-11T17:29:12-0600

So I think I will skip this update for now then. I’m in a different state right now and I don’t need a software update messing with my AFM/DFM disabler. Truck is driving just fine currently.

BigBlackie_'25TB · 2026-06-11T18:39:00-0600

Stormin08 said:
why not use your HP tuners suite and take care of that

I did actually use the HP Tuners Editor and disabled the DOD. I was just stating i am pretty sure when I still was using the Range and I accepted that update, I believe it messed up my module.