Possible causes
– Faulty Key
- Faulty transponder key amplifier
- Faulty transponder key ECU assembly
– transponder key amplifier wire harness
- Faulty transponder key amplifier
- Faulty transponder key ECU assembly
– transponder key amplifier wire harness
When is the code detected?
No communication
B2796 LEXUS Description
This code is stored in the memory when a key that does not have a transponder chip is inserted or if communication between the key and transponder key ECU assy is impossible.
LEXUS Technical Service Bulletins for B2796 code
1998 LEXUS LEXUS ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT CONTROLLER
1999 LEXUS LEXUS ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT CONTROLLER