Audi A6 2014 — technical service bulletin
Bulletin 01132820332243 · NHTSA communication 10225002 · issued Sep 12, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014
model years
4
vehicle entries
Official summary
If a model year 2014 Q5 TDI, A6 TDI, A7 TDI, or A8L TDI clean diesel (engine code CPNA or CPNB) requires diagnosis or repair of the engine, diesel fuel delivery, exhaust after-treatment (SCR/AdBlue and emissions) systems, or transmission, a Repair Authorization is necessary prior to repair.
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.