Automotive · Embedded Systems · Cybersecurity

R7S5 Engineering

Automotive cybersecurity and diagnostic protocol consulting — UDS/OBD, SAE J1939, CAN/CAN-FD, and embedded systems security for OEMs, Tier-1/2 suppliers, and testing laboratories.

Services

SVC-01 UDS / ISO 14229 Diagnostic Protocol Engineering

Design, implementation, and validation of UDS diagnostic sessions across CAN, CAN-FD, DoIP/ISO 13400, and K-Line transport layers. ECU SecurityAccess (Service 0x27) analysis and seed/key security evaluation.

SVC-02 Embedded Cybersecurity Assessments — ISO/SAE 21434 · UN R155

Threat Analysis and Risk Assessment (TARA) for diagnostic interface vulnerabilities. Compliance advisory for ISO/SAE 21434 and UN Regulation No. 155 Cyber Security Management Systems (CSMS).

SVC-03 SAE J1939 / CAN-FD Diagnostic Implementations

Heavy-duty vehicle diagnostic protocol engineering for commercial trucks, off-highway, and fleet applications. J1939-driven DTC management, PGN mapping, and secure transport layer implementations.

SVC-04 OBD Compliance Validation — EPA 40 CFR §86 / CARB

On-board diagnostic system compliance assessment for light-duty and heavy-duty vehicles under U.S. EPA and California ARB regulations. Protocol-level validation and readiness testing.