Volkswagen Jetta 2009 — technical service bulletin
Bulletin TT 01 19 02 · NHTSA communication 10158521 · issued Feb 8, 2019
Technical service bulletin
communication type
Equipment
component
2009
model years
1
vehicle entries
Official summary
Work around for missing ODIS Service test plan. After replacement of the NOx reduction catalytic converter on a 2009 Jetta with a CBEA TDI engine, reset of the NOx reduction catalytic converter adaptation values in the Engine Control Module -J623- is unable to be performed. You may not find a test plan while using ODIS Service to reset the NOx reduction catalytic converter adaptation value in guided functions.
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.