TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for Lexus. All interpretations of B2791
The control module detected improper operation of the Key unlock warning switch. This is the manufacturer-specific definition used by Lexus.
Body: airbags, comfort and cabin systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Key unlock warning switch - malfunction. The control module detected improper operation of the Key unlock warning switch. This is the manufacturer-specific definition used by Lexus.
B2791 is a manufacturer-specific code. In this database it is documented for: Lexus. The same number can mean something different on other brands.
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether B2791 is removable in your case.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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