China Automotive Systems

CAAS' AP04 Steering Platform Wins ASIL-D Safety Certification

Wuhan – October 09, 2026 -- China Automotive Systems (NASDAQ: CAAS) said its Henglong subsidiary received the ISO 26262 ASIL-D functional safety product certificate for its fully redundant AP04 electric power steering (EPS) platform, with mass production for European markets scheduled to begin in the fourth quarter of 2026.

UL, a third-party agency designated by an international client, conducted the evaluation. The certification covers ISO 26262:2018 Parts 2–9 as applicable to the certified AP04 scope and carries the dual ANAB/IAF accreditation mark.

AP04 dual-link design keeps steering control after a single-channel failure

Henglong developed AP04 as a next-generation electronic steering control platform for high-safety steering and L3/L4-level autonomous driving. Its independent dual-link redundant architecture engages a backup link rapidly if one channel fails, maintaining effective steering control.