Audi A8 2013 — technical service bulletin
Bulletin 01137520332241 · NHTSA communication 10222004 · issued Mar 13, 2013
Technical service bulletin
communication type
Fuel System, Diesel
component
2013
model years
1
vehicle entries
Official summary
If an Audi model year 2014 A8L TDI clean diesel (engine code CPNA) 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.