Some systems may also use a variable valve that restricts fluid flow and pressure as the vehicle speed increases.
Speed sensing door lock system.
Hello i can say that there are after market obd devices which are available and can activate the speed sensing door lock but there were some cases where the system develops malfunction in case of accident and the doors were not able to unlock from cabin making vehicle owners trapped in such a situation.
Speed sensing door lock system if equipped all doors will be automatically locked when vehicle speed exceeds 15 km h 9 mph.
Speed sensing door lock system if equipped all doors will be automatically locked after the vehicle speed exceeds 20 km or 40 km.
Most hydraulic systems with speed sensing steering vary the pump output pressure or volume by using electronic controls to rapidly release and re apply pressure in the system as the vehicle s speed increases.
Speed sensing door lock system all doors will automatically lock after the vehicle speed exceeds 10 mph 15 km h.
And all doors will be automatically unlocked when you turn the engine off or when you remove the ignition key if equipped.
Speed sensing door lock system if equipped all doors will be automatically locked after the vehicle speed exceeds 15 km h 9 3 mi h.