Volkswagen Touareg 2003–2013 — technical service bulletin
Bulletin TT661101 · NHTSA communication 10239794 · issued Apr 26, 2013
Technical service bulletin
communication type
Electrical System
component
2003–2013
model years
11
vehicle entries
Official summary
After installing the -J345- trailer recognition control module (vehicles with PR code 1D8 only), wiring harness and plug, the following steps need to be performed in order to enable the system.
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.