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TuningBot DTC Database · v4.37.14

01421 High Pressure Switch Valve 2 for Electronic Stability Program (N228)

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

OEM
Brand pages:VAG

VAG

1 interpretation
01421
High Pressure Switch Valve 2 for Electronic Stability Program (N228) VAG · unknown Data confidence 80%

The control module detected a fault associated with the High Pressure Switch Valve 2 for Electronic Stability Program (N228) 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 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 Brake Electronics (J104) faulty
  • Brake Electronics (J104) faulty

Recommended checks

  • Check Fuse(s)
  • Check Wiring and/or Connector(s) from/to Brake Electronics (J104)
  • Check/Replace Brake Electronics (J104)
Applies to Volkswagen

Related and nearby codes

Frequently asked questions about 01421

What does 01421 mean?

High Pressure Switch Valve 2 for Electronic Stability Program (N228). The control module detected a fault associated with the High Pressure Switch Valve 2 for Electronic Stability Program (N228) 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 across Volkswagen Group applications (Audi, SEAT and Škoda included).

Is 01421 generic or manufacturer-specific?

01421 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 01421 at file level?

Not guaranteed. 01421 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 01421 is removable in your case.

Other file services

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