Audi A6 2014 — technical service bulletin
Bulletin 01131020332242 · NHTSA communication 10221967 · issued Jun 24, 2013
Technical service bulletin
communication type
Fuel System, Diesel
component
2014
model years
4
vehicle entries
Official summary
If a model year 2014 Audi 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.