Disconnect the 12v battery and get a full charge into it.
Reconnect the battery
Reset the DTCs
Disconnect the 12v battery for 35 minutes.
Perform an ignition cycle.
As Bill said its strange that you’re having this from a rear end collision, have you checked the wiring harness for damage?
This could be a case where the RCM needs to be replaced rather than being reset. 2021 Bronco sport PSCM