What does code B2797 mean on Lexus vehicles?
A communication error has been detected between the ECM and immobilizer system (Fault No. 1).
OBD-II Code Lexus
B2797 — Lexus — Communication Malfunction No. 1 (Immobilizer System)
A communication error has been detected between the ECM and immobilizer system (Fault No. 1).
Common symptoms
- No start condition
Possible causes
- Immobilizer module failure
- wiring or communication fault
Initial recommendation
Perform advanced immobilizer system diagnostics and module communication tests.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
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