Volkswagen Golf 1999–2002 — technical service bulletin
Bulletin 26E1 · NHTSA communication 10240597 · issued Sep 18, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
1999–2002
model years
12
vehicle entries
Official summary
1999-2002 Jetta, Golf and GTI with VR6 Engine Update ECM Software for Catalytic Converter Monitoring 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.