OBD code information sheet
https://obdauto.ro/cod/P1520/TOYOTA?lang=en
Stop Lamp Switch Signal Malfunction
Available definitions for this code
Choose the correct manufacturer. The same code can have different meanings; a definition without an identified make does not confirm applicability to your vehicle.
Imported definition with general diagnostic supplements. The code indicates an area to check, not a confirmed failed part.
Sources, methodology and limitations
- DTC Database — definiții OBD-II
Supports: code definition, community definition
- AUTODOC
Supports: symptoms, possible causes, checks, components to inspect
Checked:
- Catalogue MIT licence
General sources explain definitions and principles; they do not confirm a universal repair. Use VIN-, engine- and controller-specific service information.
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Technical explanation
Stop Lamp Switch Signal Malfunction. The supplemented diagnostic sections include their sources. This is general guidance; verify applicability to the exact vehicle.
Symptoms
- Brake lamps off or continuously lit.
Possible causes
- 01Faulty brake switch; damaged wiring.
Diagnostic checks
- 01Have the circuit, connectors and fuse checked professionally.
Parts involved
- Brake switch and wiring — inspect.
Vehicle associations in the catalogue
Catalogue associations help searching and do not confirm code applicability for every model, year and engine combination. Check the vehicle service information.
Make
Repair cost calculator
Indicative Romanian repair budgets, depending on the diagnosed repair. Choose your vehicle and compare available scenarios.
Model, year and engine (optional)
Available ranges are not yet validated for each year and engine code. Confirm compatible parts and access requirements with the workshop.
Display prices
Documented estimate unavailable
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Continue your research
Links to related systems, warning lights and vehicle examples.
Experiences with this code
User-reported cases published after moderation. Approval does not verify the diagnosis; the same code can have different causes.
No approved English experiences for this definition yet.
