Volkswagen Routan 2011–2013 — technical service bulletin
Bulletin TT911405 · NHTSA communication 10237742 · issued Nov 7, 2014
Technical service bulletin
communication type
Exterior Lighting
component
2011–2013
model years
3
vehicle entries
Official summary
The replacement Totally Integrated Power Module (TIPM) contains revised software that changes the TIPM operation and alters the front exterior lighting of the vehicle. The vehicle wiring may need to be modified to maintain turn signal operation.
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.