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STD-SAC-2020-001
GB 39732-2020 — Motor vehicle event data recorder
GB 39732-2020 汽车事件数据记录系统
JURISDICTION
China
ORGANIZATION
SAC/TC114
TYPE
Standard
STATUS
In Force
PUBLICATION DATE
2020-10-11
EFFECTIVE DATE
2022-01-01
AUTOMATION LEVEL
L0, L1, L2, L3
TOPICS
Data RecordingType Approval
SUMMARY
Mandatory China EDR standard. Defines minimum data elements, trigger conditions, 15-second pre-crash + 5-second post-crash retention. Mandatory for all M1-class passenger cars since 2022-01-01.
IMPACT / ANALYSIS
Precursor to GB 44497 (DSSAD). EDR data becoming key evidence in AD-related accident investigations.
RELATED STANDARDS
UN-R160GB 44497-2024
Updated: 2026-04-16