Audi A4 2012–2014 — technical service bulletin
Bulletin 143120350733 · NHTSA communication 10216681 · issued Jan 9, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2014
model years
20
vehicle entries
Official summary
The NVLD pressure switch may erroneously detect a very small leak. New pressure sensors in production: ? For vehicles with a fuel tank pressure sensor, G400, and a fuel tank leak detection control module, J909, that are separate (two components): part numbers 8K0906253 and 8K0906253B supersede to 8K0906253D. ? For vehicles with a fuel tank pressure sensor, G400, and a fuel tank leak detection control module, J909, which are integrated (one component): part numbers 8K0906253A and 8K0906253C supersede to 8K0906253E.
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.