Abstract: A vehicle includes an engine, a transmission, and a controller. The engine is configured to generate power to propel the vehicle. The transmission has gears and clutches configured to shift between the gears. The controller is programmed to operate the clutches during wide-open throttle events to upshift the gears at shift points corresponding to engine speeds. The controller is further programmed to adapt the shift points by increasing the shift points over a series of the wide-open throttle events from initial values to mature values.

Abstract: A vehicle includes a powerplant, at least one drive wheel, a transmission, and a controller. The powerplant is configured to generate power to propel the vehicle. The transmission is configured to deliver power from the powerplant to the at least one drive wheel. The controller is programmed to, in response to a scheduled upshift of the transmission and detection of a set of conditions that are indicative of the vehicle climbing while on loose terrain, override upshifting the transmission and maintain a current gear of the transmission. The controller is further programmed to, in response to the scheduled upshift of the transmission and non-detection of at least one condition of the set of conditions that are indicative of the vehicle climbing while on loose terrain, upshift the transmission.

Abstract: Systems and methods for operating a driveline that includes a step ratio transmission or a continuously variable transmission (CVT) that may be operated in a step ratio mode are disclosed. In one example, engagement speeds for transmission gears are adjusted as a function of vehicle mass, road grade, and requested braking torque.

Abstract: Systems and methods for operating a driveline that includes a step ratio transmission or a continuously variable transmission (CVT) that may be operated in a step ratio mode are disclosed. In one example, engagement speeds for transmission gears are adjusted as a function of vehicle mass, road grade, and requested braking torque.

Abstract: A vehicle brake system includes a brake control device, a vehicle acceleration sensor, and a trailer brake controller. The trailer brake controller outputs an initial trailer brake torque demand based on an input received from the brake control device and adjusts the initial trailer brake torque demand to converge a signal from the vehicle acceleration sensor to an expected negative acceleration value correlated with the input from the brake control device.

Abstract: A vehicle brake system includes a brake control device, a vehicle acceleration sensor, and a trailer brake controller. The trailer brake controller outputs an initial trailer brake torque demand based on an input received from the brake control device and adjusts the initial trailer brake torque demand to converge a signal from the vehicle acceleration sensor to an expected negative acceleration value correlated with the input from the brake control device.

Abstract: A method of controlling a vehicle includes, in response to vehicle speed being approximately zero and a driver braking torque request being greater than a park interlock threshold, commanding vehicle brakes to provide an augmented braking torque. The augmented braking torque has a magnitude that is greater than the magnitude of the braking torque request. The braking torque returns to the level of the driver braking torque request following completion of a gear shift event.

Abstract: A method of controlling a vehicle includes, in response to vehicle speed being approximately zero and a driver braking torque request being greater than a park interlock threshold, commanding vehicle brakes to provide an augmented braking torque. The augmented braking torque has a magnitude that is greater than the magnitude of the braking torque request. The braking torque returns to the level of the driver braking torque request following completion of a gear shift event.