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TuningBot DTC Database · v4.37.15

P1431 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1431

P · PowertrainEngineOBD2

What P1431 means

P1431
Vacuum pump, brakes - open circuit/ short to ground VAG · engine Data confidence 62%

The control module detected an interruption (open circuit) in the Vacuum pump, brakes circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring open circuit/short to ground
  • vacuum pump
Applies to Audi
P1431
Vacuum pump, brakes - open circuit/short to ground VAG · engine Data confidence 62%

The control module detected an interruption (open circuit) in the Vacuum pump, brakes circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Wiring open circuit/short to ground
  • vacuum pump
Applies to Volkswagen

Related and nearby codes

How to read P1431

P

Powertrain: engine, transmission and driveline systems.

1

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

431

Specific fault index within the subsystem.

Frequently asked questions about P1431

What does P1431 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected an interruption (open circuit) in the Vacuum pump, brakes circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Audi.

Is P1431 generic or manufacturer-specific?

P1431 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 P1431 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 →

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