B1A25 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1A25 – Invalid Key


B1A25 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1A25 Possible Causes


Fob-Integrated-Key (FOBIK) Not Programmed


B1A25 Description


The B1A25 code is set when the Keyless Ignition Node (KIN)/IGnition Node Module (IGNM) does not receive a valid Fob-Integrated-Key (FOBIK) response; or the key that is being used is programmed for a different vehicle.