Patent ID: 9513191
Filing Date: 2016-12-06
CPC Classification: F01N,F02D,G01M,Y02A,Y02T

Claim Text:
1. A method for monitoring a subsystem installed in a motor vehicle, the method comprising: checking, by a diagnostic unit, the subsystem for system errors at least during driving cycles of the motor vehicle, wherein the check is performed for an occurrence of a system error and a correction of the system error; performing, by the diagnostic unit, a misuse assessment based on a frequency of detection of the occurrence and the correction of the system error in order to determine whether the detected occurrence and the detected correction of the system error is based on misuse, wherein misuse is the occurrence of the system error or the correction of the system error due to an intervention in the subsystem impermissibly carried out by a user of the motor vehicle, activating a restricted driving mode or continuing an activated restricted driving mode if occurrence of the system error is detected, wherein in the restricted driving mode drivability of the vehicle is restricted after