Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1479 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1479

P · PowertrainEngineOBD2

What P1479 means

P1479
Vacuum system, brakes - mechanical fault VAG · engine Data confidence 62%

The control module registered the fault condition described as "Vacuum system, brakes - mechanical fault". This is the manufacturer-specific definition used by Audi.

Possible causes

Vacuum pump

Applies to Audi
P1479
Brake Boost Vacuum System: Mechanical Failure VAG · engine Data confidence 80%

The control module detected improper operation of the Brake Boost Vacuum System: Mechanical circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17887. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Possible causes

  • Fuse(s) faulty
  • Hoses from/to Brake Boost Vacuum Pump faulty
  • Brake Boost Vacuum Pump faulty

Recommended checks

  • Check / replace fuses
  • Check Hoses from/to Brake Boost Vacuum Pump
  • Check Brake Boost Vacuum Pump
Applies to Volkswagen

Related and nearby codes

How to read P1479

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

479

Specific fault index within the subsystem.

Frequently asked questions about P1479

What does P1479 mean?

Diagnostic Trouble Code (2 interpretations). The control module registered the fault condition described as "Vacuum system, brakes - mechanical fault". This is the manufacturer-specific definition used by Audi.

Is P1479 generic or manufacturer-specific?

P1479 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 P1479 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.

Other file services

ECU tuningStage 1 dyno results for VAG engines See the results →

← Search the full DTC database