Allison 3060 transmission

I just bought tha VMSpc this morning. It is installed and working except I do not get an indication of the transmission gear selection. The indicator for gear selected and gear attained are both ? question marks.

Bill Day
'98 Holiday Rambler Endeavor
Cummins ISB 275
Allison MD 3060

3060 transmission

Did you right click on the guage and made sure the 2 boxes are checked?

They will stay ? marks until the engine is started.


Allison 3060 transmission

Both boxes are checked and I started the engine and info from the last trip was entered into distance fuel time economy, but no grar positions

Bill Day

Check your shifter.

If you have the old 2-digit shifter that shows the gear selected AND the gear attained, then you won't get that data on the VMS. Allison simply did not program those trannies to share that data.

gear indication and old style 3060

I have a 2001 Dynasty with the "old style"indicator. That is both the gear selected and the current gear show on the tranny selector.

When I first hooked up my VMSpc all i got was ?? for tranny info on the VMCpc.

Recently had the tranny serviced for a check light and they found whatever electronics connects the tranny for info was not working.

Now the VMCpc shows gearing info despite the fact it is still the old style tranny indicator.

Who can figure this out????

Now I am wondering if the VMCpc should be showing a lower gear when my newly repaired engine(compression) brake is on?...Cause it isn't!!!!


There are lots of mysteries with your rig. The last one - the brake - is a matter of configuration. Your Gear Selected should be reduced when you hit the brake. The Gear Attained might not because the RPMs are often too high to downshift immediately.

No longer Have indication of transmission gear on drive window

No longer Have indication of transmission gear on drive window of Silverleaf in 2001 Beaver. How do I get Gear to re-show in Drive window?

Where are the 2 boxes that

Where are the 2 boxes that are supposed to be checked?

Loss of Transmission Gears in VMS 200EL "DRIVE" window

How do I restore loss of gears indication in VMS 200EL "DRIVE" window? Suddenly it is no longer being indicated?

re: VMS200 and Transmission

Hello Roland

Which SW version do you have on your VMS200 unit?

[You can find out by pressing-and-holding both TRIP+SPEC buttons, rolling the knob counter-clockways to the bottom of the page where its shown.]

Do you have WTEC selected for Transmission type?
[Press PROG until you see the VMS Preferences page. Once there, roll down to Transmission, just below engine, and select WTEC if not already done.]

Hows that look?