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TuningBot DTC Database · v4.37.14

P1424 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1424

P · PowertrainEmissionsOBD2

What P1424 means

P1424
Secondary air injection (AIR) system, Bank 1 - leak detected VAG · emissions Data confidence 62%

The control module detected a condition consistent with a leak affecting the Secondary air injection (AIR) system, Bank 1. This is the manufacturer-specific definition used by Audi.

Possible causes

  • AIR valve
  • exhaust leak
Applies to Audi
P1424
Secondary Air Injection System; Bank 1: Leak Detected VAG · emissions Data confidence 88%

The control module detected a condition consistent with a leak affecting the Secondary Air Injection System; Bank 1. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17832. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptoms

Malfunction Indicator Light (MIL) active

Possible causes

  • Piping between Secondary Air Injection Pump and Secondary Air Injection Valve leaking
  • Faulty Kombi Valve

Recommended checks

  • Check Piping between Secondary Air Injection Pump and Secondary Air Injection Valve
  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information
Applies to Volkswagen

Related and nearby codes

How to read P1424

P

Powertrain: engine, transmission and driveline systems.

1

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

424

Specific fault index within the subsystem.

Frequently asked questions about P1424

What does P1424 mean?

Diagnostic Trouble Code (2 interpretations). The control module detected a condition consistent with a leak affecting the Secondary air injection (AIR) system, Bank 1. This is the manufacturer-specific definition used by Audi.

Is P1424 generic or manufacturer-specific?

P1424 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 P1424 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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