Supply relay for engine components: Electrical Malfunction
VAG · engine
Data confidence80%
The control module detected an electrical fault in the Supply relay for engine components circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 19543. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Powertrain: engine, transmission and driveline systems.
3
Manufacturer-defined range: the meaning can differ between brands.
087
Specific fault index within the subsystem.
Frequently asked questions about P3087
What does P3087 mean?
Supply relay for engine components: Electrical Malfunction. The control module detected an electrical fault in the Supply relay for engine components circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 19543. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Is P3087 generic or manufacturer-specific?
P3087 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.
Can TuningBot remove P3087 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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