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TuningBot DTC Database · v4.37.14

P1428 Diagnostic Trouble Code (3 interpretations)

3 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:VAGVolvo

VAG

2 interpretations
P1428
Vacuum pump, brakes - short to ground VAG · engine Data confidence 62%

The control module detected a short circuit to ground in the Vacuum pump, brakes circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to ground
  • vacuum pump
Applies to Audi
P1428
Vacuum pump, brakes - short to ground VAG · engine Data confidence 62%

The control module detected a short circuit to ground in the Vacuum pump, brakes circuit. This is the manufacturer-specific definition used by Volkswagen.

Possible causes

  • Wiring short to ground
  • vacuum pump
Applies to Volkswagen

Volvo

1 interpretation
P1428
Outside air temperature sensor - no signal Volvo · engine Data confidence 62%

The control module did not receive the expected Outside air temperature signal. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • poor connection
  • outside air temperature sensor
  • ECM

Related and nearby codes

How to read P1428

P

Powertrain: engine, transmission and driveline systems.

1

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

428

Specific fault index within the subsystem.

Frequently asked questions about P1428

What does P1428 mean?

Diagnostic Trouble Code (3 interpretations). The control module detected a short circuit to ground in the Vacuum pump, brakes circuit. This is the manufacturer-specific definition used by Audi.

Is P1428 generic or manufacturer-specific?

P1428 is a manufacturer-specific code. In this database it is documented for: VAG, Volvo. The same number can mean something different on other brands.

Can TuningBot remove P1428 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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