On the falcon's in OZ, the error usually appears after entering an incorrect security code. To make the error disappear I believe u need to have the stereo running for 20 minutes and then it will allow you to re-enter your security code.
If you're asking if the BA Falcon is a Ford, yes.
Ford XY Falcon was created in 1970.
Ford XF Falcon was created in 1984.
Ford EF Falcon was created in 1994.
Ford BF Falcon was created in 2005.
Ford EL Falcon was created in 1996.
Ford BA Falcon was created in 2002.
Ford XH Falcon was created in 1996.
Ford XL Falcon was created in 1962.
Ford Falcon Cobra was created in 1978.
Ford XW Falcon was created in 1969.