46 Mini Maxx Installation Manual • www.hsperformance.com
the learning process. To perform the relearn procedure, please follow these instructions:
When re-training the transmission, ALWAYS follow posted speed limits. Do NOT at-
tempt runs in adverse weather conditions such as snow, ice, rain, wind, or any other
conditions that may affect your vehicles traction or impair your visibility!
1. After you have installed the H&S tuning, turn the key to the ON position. From the Main
Menu, scroll down until you see the
reset Transmission
option. Select
reset Transmis-
sion
and follow the on-screen instructions to reset the transmission adaptive memory.
2. After the transmission reset is complete, it is recommended to perform each of the follow-
ing 0-80 MPH runs while in the
Performance
power level:
•
0-80 MPH @ 25% throttle position, then slow down and come to a complete stop.
•
0-80 MPH @ 50% throttle position, then slow down and come to a complete stop.
•
0-80 MPH @ 100% throttle position, then slow down and come to a complete stop.
The Transmission relearn procedure is complete.
noTe:
On any vehicle using 3” or larger lift blocks under the rear leaf pack, it is HIGHLY RECOMMENDED to install
traction bars when adding additional horsepower.
Keyed ignition source location
Although it is possible to manually power up the Mini Maxx without using a keyed ignition
source, it can sometimes create communication issues between the Mini Maxx and the
vehicles ECM. To eliminate these problems, we highly recommend tapping into a 12V keyed
ignition source to supply power to the Mini Maxx only when the key is in the ON position
and the vehicles ECM is online. Below you will find a commonly used 12V keyed ignition
source for your vehicle:
fUse nUMBer 45
Always tap into the
cold
side of the fuse. On the 2011
- 2013 6.6L LML Duramax, the
cold
side is towards the
front of the vehicle.
noTe:
If your fuse box or wiring looks different than those pictured
or if you are not getting 12V ignition power from the pictured source,
you may need to find another 12V keyed ignition source using a test
light or multimeter. If possible, find one that stays
hot
during engine cranking.
Maxx calibration control
Maxx Calibration Control (MCC) is an advanced engine management software tool that enables
custom tune editing with your H&S tuning device. With the power to control all aspects of engine
2011 - 2013 6.6L LML Duramax Specific Features Continued >>
