Possible causes
– Faulty key
When is the code detected?
Key with unregistered key code is inserted
B2795 LEXUS Description
This Detected Trouble Code (DTC) is output when a key with a key code that has not been registered in the ECU is inserted into the ignition key cylinder.
LEXUS Technical Service Bulletins for B2795 code
1998 LEXUS LEXUS ELECTRICAL SYSTEM:IGNITION:MODULE
1999 LEXUS LEXUS ELECTRICAL SYSTEM:IGNITION:MODULE