Active Transmission Pursuit Mode (ATPM): Notes

ATPM is a feature within the transmission software that enables the transmission to be more aggressive with shifting during aggressive driving (e.g. pursuit). Police vehicles have ATPM software that uses accelerator pedal, brake pedal, and steering position input to alter the shift scheduling for pursuit purposes.

The transmission software changes how the transmission shifts when it senses the vehicle is being driven aggressively and switches it back to save fuel when the aggressive driving is completed.

The software logic is made up of 2 parts:

• Brake torque-induced logic to handle downshifts under braking
• Upshift inhibit logic to hold gears around the corners; during corner exit, the transmission has not upshifted so there is no delay from the transmission downshifting out of a corner