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TuningBot DTC Database · v4.37.14

P1473 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1473

P · PowertrainEmissionsOBD2

What P1473 means

P1473
EVAP Control System LDP Open Circuit VAG · emissions Data confidence 62%

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

Possible causes

  • Wiring
  • EVAP purge valve
  • ECM
Applies to Audi
P1473
EVAP Leak Detection Pump: Open Circuit VAG · emissions Data confidence 80%

The control module detected an interruption (open circuit) in the EVAP Leak Detection Pump circuit, so the expected electrical continuity was not present. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17881. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Malfunction Indicator Lamp (MIL) active

Possible causes

  • Leak Detection Pump (LDP/V144) faulty
  • Wiring/Connector(s) from/to Leak Detection Pump (LDP/V144) faulty
  • EVAP Canister System leaking

Recommended checks

  • Check Leak Detection Pump (LDP/V144)
  • Check Wiring/Connector(s) from/to Leak Detection Pump (LDP/V144)
  • Check EVAP Canister System for proper Seal
Applies to Volkswagen

Related and nearby codes

How to read P1473

P

Powertrain: engine, transmission and driveline systems.

1

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

473

Specific fault index within the subsystem.

Frequently asked questions about P1473

What does P1473 mean?

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

Is P1473 generic or manufacturer-specific?

P1473 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 P1473 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

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

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