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USD 600
Part #: ATS6019003224

ATS 6019003224 Co-Pilot Lockup Controller

Vehicle Fitment:
1999-2003 Ford 7.3L Powerstroke
Part #: ATS6019003224
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The ATS 6019003224 Co-Pilot Lockup Controller for your 99-03 Ford 7.3L Powerstroke 4R100 provides control over converter lockup in your truck. Factory computers are programmed to disengage lockup under many conditions that often inhibit the performance of the transmission.

A push button control allows the driver to select the speed at which the converter clutch will engage and disengage. With the power off the Commander reverts to factory control. Minimum speed for lockup is approximately 18mph. This means that the engine will not be killed by forgetting to unlock the converter clutch when coming to a stop. The Commander offers better acceleration and cooler running, as well as giving the user braking or hold back (even without an exhaust brake). If an exhaust brake is in place, the Commander has the ability to automatically control the brake and converter clutch.

4R100 Co-Pilot Features:

  • Push button control
  • Control over converter lockup
  • 18 mph minimum lockup speed
  • Better Acceleration
  • Automatic control exhaust brake

Vehicle Fitment

1999 Ford 7.3L Powerstroke
2000 Ford 7.3L Powerstroke
2001 Ford 7.3L Powerstroke
2002 Ford 7.3L Powerstroke
2003 Ford 7.3L Powerstroke


  • MFG. Number 601-900-3224
  • Manufacturer Name ATS Diesel
  • Shipping Weight 3.00 lb.
  • Shipping Length 6 in.
  • Shipping Width 4 in.
  • Shipping Height 10 in.
  • Fuel Type Diesel
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L0R0


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Questions and Answers

Does the controller unlock the torque converter before shifts?
View Staff Answer 
The control panel on the face of the ATS Co-Pilot allows the driver to adjust the lockup of the transmission. Keep in mind that the Co-Pilot will only lock the torque converter when enough boost is reached. This keeps the engine from bogging down due to excessively early converter clutch lockup that is commanded by many factory transmission control modules. The adjustments allow you to trim the converter clutch lockup based on MPH. To raise the vehicle speed at which the transmission locks up you press the up arrow button. To decrease lockup speed press the down arrow button. When the torque converter is locked, the Co-Pilot will display a green light to indicating that the converter has locked up. Due to the protection the Co-Pilot provides and the engine load sensing of the Co-Pilot it is not possible to command Lock-up at too low an engine speeds or low torque levels. This unique feature ensures the engine will never bog or run at a low engine RPM, causing lugging when the engine does not have boost. At the other end of the spectrum during high power output when the engine is running at full load, the Co-Pilot will keep the torque converter clutch engaged allowing full torque to be transferred through the torque converter clutch to the transmission input shaft. The factory often disengages the torque converter clutch during these high torque conditions to reduce the load exerted on the factory transmission shafts. This is the primary reason we do not recommend installing a Co-Pilot transmission controller on a stock torque converter or transmission.

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