	US 12,258,002 B2
	Diagnostic and control method for a vehicle system
Peter Deckmyn, Koekelare (BE); Bjorn Aelvoet, Lievegem (BE); and Brecht Fevery, Flanders (BE)
Assigned to DANA BELGIUM N.V., Bruges (BE)
Filed by Dana Belgium N.V., Flanders (BE)
Filed on Jul. 6, 2023, as Appl. No. 18/348,138.
Application 18/348,138 is a continuation of application No. 17/320,105, filed on May 13, 2021, granted, now 11,745,724.
Prior Publication US 2023/0347873 A1, Nov. 2, 2023
Int. Cl. B60W 20/30 (2016.01); B60W 10/06 (2006.01); B60W 10/08 (2006.01); B60W 10/11 (2012.01)

CPC B60W 20/30 (2013.01) [B60W 10/06 (2013.01); B60W 10/08 (2013.01); B60W 10/11 (2013.01); B60W 2510/083 (2013.01); B60W 2510/1005 (2013.01); B60W 2710/248 (2013.01); B60W 2720/30 (2013.01)]

18 Claims

1. A method for operation of a vehicle system, comprising:

at a diagnostic controller independent from a driveline controller, determining a state of a clutch in a gearbox and a vehicle speed; and

in response to determining a fault condition of the gearbox based the clutch state and the vehicle speed, controlling the gearbox in a fault mode;

wherein controlling the gearbox in the fault mode includes operating the diagnostic controller to override a nominal control command sent from the driveline controller to the gearbox; and

wherein the diagnostic controller and the driveline controller are not in electronic communication with one another.