Bass Speaker Front Left (R21)
VAG · unknown
Data confidence80%
The control module detected a fault associated with the Bass Speaker Front Left (R21) 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: Open Circuit; Short to Plus. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Symptoms
Malfunction Indicator Light (MIL) ON
Possible causes
Fuse(s) faulty
Wiring and/or Connector(s) from/to Bass Speaker Front Left (R21) faulty
Bass Speaker Front Left (R21) faulty
Recommended checks
Check Fuse(s)
Check Wiring and/or Connector(s) from/to Bass Speaker Front Left (R21)
Bass Speaker Front Left (R21). The control module detected a fault associated with the Bass Speaker Front Left (R21) 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: Open Circuit; Short to Plus. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Is 00870 generic or manufacturer-specific?
00870 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 00870 at file level?
Not guaranteed. 00870 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 00870 is removable in your case.
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VAG