SAE Level |
Vehicle Health Capability |
Narrative Description |
Participation in Repair Actions |
Key Data Resources |
Availability of Logged &/or Real-Time Data |
Use of Supporting Models |
IVHM System Characteristics |
Manual Diagnosis & Repair Process Performed by a Technician |
0 |
Limited On-Vehicle Warning Indicators |
Service actions for scheduled maintenance or when Operator notices problems or is alerted by indicator lights or simple gages |
Operator/Driver & Service Tech |
On-Vehicle Measurements & Observation |
N/A |
Paper-based Manuals |
Only Manual Diagnostic Tools & No Condition-Based Services |
1 |
Enhanced Diagnostics Using Scan Tools |
Service techs gain added diagnostic insight using automated scanners to extract vehicle operating parameters & diagnostic codes |
Operator/Driver & Service Tech |
On-Vehicle & Service Bay / Depot Tools |
Logged Diagnostic Codes & Parameters available to Service Tech |
Paper-based Manuals |
On-Board Diagnostics Available |
2 |
Telematics Providing Real-Time Data |
Service techs gain real-time vehicle data via remote monitoring of vehicle to more completely capture issues |
Operator/Driver, Service Tech & Remote Support Center Advisor |
On-Vehicle, Service Bay / Depot & Cloud Data |
Telematic Data Available to Service Tech with Diagnostics Info |
Paper-based Manuals |
On-Board & Remote Data Available |
Diagnosis & Repair Augmented by Prognosis & Predictive Analytics |
3 |
Component Level Proactive Alerts |
Operator and service techs are provided with component health status (R/Y/G) before problem occurs. Limited condition-based maintenance |
Operator/Driver, Service Tech & Cloud-Based Services |
On-Vehicle, Service Bay / Depot & Cloud Data |
Telematic Data Available to Service Tech with Diagnostics Info |
Addition of Component-Level Health Models |
Component-Level Health Predictions |
4 |
Integrated Vehicle Health Mgmt. |
Operator and service techs are provided with system or vehicle level health indicators before problems occur with remaining useful life estimated. Condition-based maintenance |
Operator/Driver, Service Tech & Cloud-Based Services |
On-Vehicle, Service Bay / Depot & Cloud Data |
Telematic Data Available to Service Tech with Diagnostics Info |
Addition of Vehicle-Level Health Models |
Vehicle-Level Health Management |
5 |
Self-Adaptive Health Mgmt. |
Self-adaptive control and optimization to extend vehicle operation and enhance safety in presence of potential or actual failures |
Operator/Driver, Service Tech & Cloud-Based Services |
On-Vehicle, Service Bay / Depot & Cloud Data |
Telematic Data Available to Service Tech with Diagnostics Info |
Addition of Vehicle-Level Health Models |
IVHM Capability Integrated into Vehicle Controls |