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MANUFACTURER DOCUMENTATION

Volkswagen Golf

CJAA diesel filter case.

Documented years: 2010–2014

Match the document’s model, years, engine, market and other conditions. This page does not establish every code the vehicle can display.

Diagnostic guides

VW Golf/Jetta TDI P0401: the DPF and EGR-filter repair

A soot finding, airflow check and adaptation determine this repair.

Manufacturer bulletins

TDI filter diagnosis

Soot-confirmed case.

Scope: Jetta/Jetta Wagon 2009; Golf,Jetta Sedan/SportWagen 2010–2014 · CBEA/CJAA 2.0 TDI

Displays in the document: P0401, P2002, P240F

See the diagnostic guide.

CBEA/CJAA diesel scope.

Read the diagnostic case guide

Sources and scope

  1. 2034898/23 (2022-06-14)

    Volkswagen Group of America · Checked 2026-10-30

  2. TT 26-13-02 (2013-10-04)

    Volkswagen Group of America · Checked 2026-10-30

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