Does the EDR unit continuously record data?
The EDR continuously monitors the speed, braking, throttle, etc. but does not store a record of the data unless there is an event that awakens the airbag module. For GM vehicles, the data is typically stored for 5 seconds prior to the event. For Ford vehicles, the data can be stored up to 25 seconds prior to the event. Ford “pre-crash” data will typically only be available if the airbag deploys and the pre-crash data is locked.
