B2799Engine immobiliser system fault
- Toyota/Lexus code · Engine
- How the car detects it
- The engine computer and the immobiliser could not agree that a valid key is present, so the engine is blocked from starting or stops right after starting. Try your spare key; if it starts with that one, the first key is the problem.
- What you may notice
- Engine does not start, or stops after a second or two
- Security light blinks
- Likely causes
- PossibleKey not recognised (damaged key, or not registered)
- PossibleWiring between the immobiliser unit and the engine computer
- RareImmobiliser control unit or engine computer
- Sources
Backed by at least two independent sources.
From Obdaryn's Toyota/Lexus pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.