ISO 26262 Functional Safety: Vetting Chinese Automotive Suppliers
1 resources tagged with "Iso 26262"
ISO 26262 is the functional-safety standard for automotive electronics, defining ASIL A through D risk levels, the HARA hazard analysis, and metrics like PMHF and SPFM that quantify a component's failure behavior. When sourcing safety-relevant electronics from China, the real work is separating suppliers with genuine ASIL evidence (a safety case, FMEDA, and metric numbers) from those who simply claim 'ISO 26262 compliant' on a datasheet. We ask for the FMEDA and ASIL target and check whether the metrics actually support the claimed level.
ISO 26262 is a process and evidence framework for managing electrical/electronic failures that could cause harm in a vehicle. The pitfall is accepting a blanket 'compliant' claim without the underlying safety case — so we request ASIL level, HARA, and PMHF/SPFM figures before treating a supplier as safety-capable.
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FAQ
What do ASIL A through D mean?
ASIL (Automotive Safety Integrity Level) ranks risk from A (lowest) to D (highest), derived from a HARA based on severity, exposure, and controllability. Higher ASIL demands tighter hardware metrics and more rigorous development evidence.
How do I verify a Chinese supplier's ISO 26262 claim?
Ask for the target ASIL, the FMEDA, and the PMHF/SPFM metrics, not just a compliance statement. A genuine supplier can produce a safety case and the numbers; one that only offers a logo on a datasheet has not done the work.
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