Select a GM Transmission Controller

TCM920B

The TCM920B is a fully automatic controller for the GM 4 series transmissions. Requires no PC for programming or setup , all settings including gear change and TCC engage are made right from the front of the controller with the 4 small buttons and the crystal blue LCD screen.

Works with all GM 4L60E to 4L80E RWD and 4T45E, 4T60E, 4T65E, 4T80E FWD transmissions. Full manual shifting mode as well with one of our optional Ratchet shift boxes (sold separately).Includes our custom 6 foot wire harness made from high temp TXL automotive grade wire with foil shielded signal wires. (Connectors sold separately)See the products page for all your connector needs.

$395

Controller Actual Dimensions = Width 5.25" Height 3" Depth 1.75"

TCM920S

The TCM920S is a fully automatic controller for the GM 4 series transmissions. Requires no PC for programming or setup , all settings including gear change and TCC engage are made right from the front of the controller with the 4 small buttons and the crystal blue LCD screen.

Works with all GM 4L60E to 4L80E RWD and 4T45E, 4T60E, 4T65E, 4T80E FWD transmissions. Full manual shifting mode as well with one of our optional Ratchet shift boxes (sold separately).Includes our custom 6 foot wire harness made from high temp TXL automotive grade wire with foil shielded signal wires. (Connectors sold separately)See the products page for all your connector needs.

$395

Controller Actual Dimensions = Width 5.25" Height 3" Depth 1.75"

ManuMatic

The new ManuMatic is a standalone controller for the GM 4 speed automatics including the 4L60E, 4L70E and 4L80E RWD and 4T45E, 4T60E, 4T65E and 4T80E FWD trans-axle. This is a full manual controller with direct control over Gear selection, TCC lock and Line Pressure. Requires no setup or programming. Simply move a jumper to select between the 60E or 80E series transmissions. Easily connect the input wires directly to the controller with the new set screw terminal block!

  • Includes our proprietary Launch Mode.
  • Line pressure PWM auto adjust with TPS or MAP sensor.
  • Line pressure trimmer input for manually raising line pressure on the fly.
  • Works with our optional 2" Digital Gauge to monitor Gear and TCC Lock.
  • Includes 6' standard wire harness made from TXL high temp automotive wire.

$295

Includes FREE shipping to lower 48 US states!

Controller Actual Dimensions = Width 4.6" Height 3.75" Depth 1.25"

The ManuMatic and TCM920 are standalone controllers for the GM 4 speed automatics. They will work with the RWD 4L60E, 4L70E and 4L80E also with all the Front Wheel Drive 4 speed series of GM transmissions including 4T45E, 4T60E, 4T65E and 4T80E.

The ManuMatic requires an input switch box or set of switches for shift input signal, TCC lock/unlock signal and Line pressure trim. We offer the RockerBox (sold separately) that has all this in one small box that is plug and play.
  Both include a standard 6 ft. wire harness (transmission plugs not included). See the optional connectors and other accessories like the E-TransControl proprietary 2 in. Digital Gauge and RockerBox.

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