Diagnostic Protocols
Communication methods between vehicles and diagnostic tools.
Related records are ordered by brand and name.
Diagnostics over IP (DoIP)
Vehicle discovery, routing activation and transport of UDS messages over IP-based automotive Ethernet networks.
EV Charging CP, PP and PLC Communication Diagnosis
A structured method for separating Control Pilot, Proximity Pilot, protective earth, PLC communication and the on-board charger when charging will not start.
KWP2000 diagnostics
Keyword Protocol concepts and legacy ECU diagnostic workflows from the ISO 14230 and early ISO 14229 transition period.
ODX and CDD diagnostic definitions
Machine-readable modelling of diagnostic services, data definitions, variants and tester behaviour.
UDS diagnostic protocol
The role of sessions, data identifiers, routines, DTC services and programming services in the ISO 14229 family.
Unified Diagnostic Services
Services defining diagnostic sessions, data access, tests and programming for control units.
Diagnostics over Internet Protocol
A communication approach carrying vehicle diagnostic traffic over IP and Ethernet.
K-Line
A single-wire serial line used for diagnostics in earlier vehicle generations.
SAE J1939
A CAN-based messaging and diagnostics family used in heavy-duty vehicles.
Move from vehicle class to technical system
After choosing brand and model identity, use engine, transmission, DTC, electronics and service guidance in the same technical context.
Sources & freshness
Exact technical values, prices and failure rates are not invented without verified vehicle/manufacturer evidence.