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
TuningBot DTC Database · v4.37.14
3 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.
The control module detected a short circuit to ground in the Vacuum pump, brakes circuit. This is the manufacturer-specific definition used by Audi.
The control module detected a short circuit to ground in the Vacuum pump, brakes circuit. This is the manufacturer-specific definition used by Volkswagen.
The control module did not receive the expected Outside air temperature signal. This is the manufacturer-specific definition used by Volvo.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
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.
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.
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Understand the system behind this code: Diagnostic Strategy and DTC Logic