Volkswagen Touareg 2007–2009 — technical service bulletin
Bulletin V011420 2037740 · NHTSA communication 10120301 · issued Sep 10, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007–2009
model years
3
vehicle entries
Official summary
Technical Bulletin (Update Programming for Catalyst System Bank Efficiency Below Threshold): This document informs of diagnostic fault codes which state that the Catalyst System Bank Efficiency is Below Threshold this is because the Diagnostic strategy was too sensitive. The production solution for this issue was to stop making the Engine Control Module, and thus it is out of production. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.
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.