CALIBRATABLE UDS SECURITY CONCEPT FOR HEAVY-DUTY DIESEL ENGINE
First Claim
Patent Images
1. A method of providing varying levels of security access to an engine controller software, said controller having non-volatile memory, comprising:
- a. specifying engine control functions by level of security;
b. rejecting access to unauthorized levels of security based access code;
c. permitting access requested level of security when authorized access code is implemented.
1 Assignment
0 Petitions
Accused Products
Abstract
A method for providing varying levels of security access to an engine controller using security levels and seed and key programs to calculate access codes for the levels of security access.
-
Citations
5 Claims
-
1. A method of providing varying levels of security access to an engine controller software, said controller having non-volatile memory, comprising:
-
a. specifying engine control functions by level of security; b. rejecting access to unauthorized levels of security based access code; c. permitting access requested level of security when authorized access code is implemented. - View Dependent Claims (2, 3, 4, 5)
-
Specification