Volkswagen Routan 2011–2012 — technical service bulletin
Bulletin TB151404 · NHTSA communication 10241331 · issued Oct 31, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2012
model years
2
vehicle entries
Official summary
MIL ON, DTCs P0300, P0302, P0304 or P0306 Stored in ECM Fault Memory
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.