System Function Test
VAG · unknown
Data confidence80%
The control module detected a fault associated with the System Function Test circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Documented stored variants include: Implausible Signal. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Symptoms
Malfunction Indicator Light (MIL) ON
Possible causes
When found in Brake Electronics Control Module (J104)
System Function Test. The control module detected a fault associated with the System Function Test circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Documented stored variants include: Implausible Signal. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Is 01487 generic or manufacturer-specific?
01487 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 01487 at file level?
Not guaranteed. 01487 is a manufacturer-specific code in an OEM format, so removability depends 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 01487 is removable in your case.
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VAG