Description
Fits
Year | Make | Model | Engine |
2007.5 - 2021 | Dodge Ram | HD | 6.7L Cummins |
Note: This package includes the MM3 Device and Custom GDP Tunes. The MM3, based on the Smarty Touch hardware, is specifically designed for the custom - tuning market and professional tuners. With GDP Tuning, it can take your Cummins engine performance to a whole new level.
The MM3 is an all - in - one device. It offers one of the most advanced monitoring features and can run any tuning you desire. Paired with GDP Custom Tuning, it's tailored just for you and your truck.
Part Number: GDP692003
Features
- TCM Tuning for 2010 - 2021 Cummins Models
- 4.3' Touch Display
- Tire Size Adjustment
- Shift on the fly tuning
- Twin CPU Design
- Freely configurable gauge range
- Audible & Visible Alarm Settings
- Record Max Values
- Configurable Min & Max Alarms
- Automatically Unlocks ECM
Power Levels
Different power levels can be customized according to your request or vehicle modifications. Here's a general idea of the available power levels:
- Level 1: 30 HP
- Level 2: 60 HP
- Level 3: 90 HP
- Level 4: 120 HP
- Level 5: 150 - 180 HP
Installation
Installation Instructions
Videos

Using this product is straightforward. First, install the MM3 device following the provided installation instructions. Once installed, you can start exploring the various features. You can adjust the tire size according to your truck's actual tire dimensions. The shift - on - the - fly tuning allows you to change power levels while driving. For power levels, you can request different levels based on your needs and your vehicle's modifications. When it comes to monitoring, the 4.3' touch display provides an easy - to - use interface. You can configure the gauge range freely and set audible and visible alarms. Also, it can record max values for your reference. Note that this product comes with TCM tuning for 2010 - 2021 Cummins models. As for maintenance, keep the device clean and avoid exposing it to extreme temperatures or moisture. If you encounter any issues, refer to the included documentation or contact our customer support.