Dfm delete

[Antonm]

So, is it still a "no-go" on any tuning that'll disable the dang DFM?

I've read that keeping the transmission in 9th gear (vice just putting it in drive) will do it, read conflicting reports that putting it in tow/ haul mode will turn off the DFM too.

But considering the Tahoe is my wife's DD, I'll never be able to get her to put in L9 or tow/ haul mode every time, so I need a tuner of some kind to turn off DFM (if such a device exists).
...

 

[Jimbo123]

So, is it still a "no-go" on any tuning that'll disable the dang DFM?

I've read that keeping the transmission in 9th gear (vice just putting it in drive) will do it, read conflicting reports that putting it in tow/ haul mode will turn off the DFM too.

But considering the Tahoe is my wife's DD, I'll never be able to get her to put in L9 or tow/ haul mode every time, so I need a tuner of some kind to turn off DFM (if such a device exists).
...

Trifecta can do it, but you'll need to send them your engine control unit.

 

[CMoore711]

What about the parts list?

Are the same AFM parts for the L86 compatible and able to be installed in the L87?