DTC P0401 diagnostic assistance, additional smoke test and cold air control valve test
Volkswagen technical service bulletin V011813203489818 for 2009-2014 Volkswagen Jetta, 2013-2014 Volkswagen Beetle and 2010-2014 Volkswagen Golf and others.
- Bulletin number
- V011813203489818
- Component
- Engine and engine cooling: exhaust system: emission control: gas recirculation valve (EGR valve)
- Summary
- DTC P0401 diagnostic assistance, additional smoke test and cold air control valve test
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