MSD 2760 Atomic Transmission Controller GM 4L60-4L75E


  • Easy installation and setup
  • Simple parameter adjustment
  • Comes with Handheld Monitor
  • For GM 4L60-4L75E automatic transmissions

The Atomic TCM allows simple parameter adjustment using the supplied Handheld Monitor. The Handheld connects to the Atomic TCM and can be left in place as a dash board to monitor the transmission in real-time, or disconnected once the configuration is complete.

Once installed and connected, specify a few basic parameters that are listed in the Initial Setup menu. First, select the type of transmission you are using (such as a GM 4L60E). All supported transmission types are listed in the menu to make this step easier. Other required fields under Initial Setup include the number of engine cylinders, rear end gear ratio (and transfer case ratio, if applicable), and tire height.

Once the Initial Setup is complete, you can start and drive the vehicle while taking advantage of the Advanced Setup menu items to dial-in the transmission to your liking. From the Advanced Setup menu, you can control shift points and characteristics like shift feel and torque converter clutch operation. There are also options allowing adjustment of the desired Wide Open Throttle (WOT) shifting, Vehicle Speed Sensor configuration, and more. You can feel the results in real-time as a passenger manipulates the parameters and monitors real-time operational data on the Handheld Monitor! Data available for viewing includes engine speed, vehicle speed, throttle position, transmission fluid temperature, shifter position, commanded gear, and more!


  • Adjust shift points
  • Adjust torque converter clutch behavior
  • Select different levels of shift firmness
  • Select between auto-shift mode and manual-shift mode
  • Activate Dyno Mode to deliver repeatable chassis dyno results
Weight 2.95 lbs
Dimensions 8 × 6 × 12 in



Manufacturer Part Number


MSD Atomic Transmission Controller GM 4L60-4L75E

Easily modify the operating parameters of your GM automatic transmission.

There is no reason to settle on just three gears or the kickdown linkage of an automatic transmission with the number of electronically controlled four speed automatics that are available these days. MSD will take the mystery out of setting up or programming an automatic trans with the Atomic Transmission Controller.

The Atomic Trans Control Module (TCM) is based off the popular Atomic EFI series with the same goal of making installation and setup simple. The TCM, PN 2760, is complemented with a Harness Kit to match your application. Harness Kits are available for most GM four speed automatics.

Once connected, you’ll be able to easily modify the operating parameters of your transmission such as the shift points, torque converter clutch behavior, shift firmness and more.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to