TSB 2028344- — Audi Service bulletin

2028344- is a service bulletin on file with NHTSA for the Audi A4, 1996–1999 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Supersedes Technical Service Bulletin Group 01 number 13-69 dated February 14, 2013. Noises and inconsistent engine operation after cold start during the catalyst heating phase. The customer may misinterpret these symptoms as engine misfiring. This bulletin applies only to…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
1Vehicle named
4Model years

Vehicles and model years 2028344- names

VehicleModel years
Audi A4 1996, 1997, 1998, 1999

Every document filed under 2028344-

Document IDFiledType
A011507 2028344- February 13, 2015 Service bulletin

What 2028344- covers

Engine — the component vocabulary NHTSA files this communication under.

← All Audi A4 TSB years TSB lookup by model

Questions buyers ask

What is TSB 2028344-?

2028344- is a service bulletin filed with NHTSA by Audi, covering the Audi A4 across the 1996–1999 model years. NHTSA's summary reads: Supersedes Technical Service Bulletin Group 01 number 13-69 dated February 14, 2013. Noises and inconsistent engine operation after cold start during the catalyst heating phase. The customer may misinterpret these symptoms as engine misfiring. This bulletin applies only to…

Which vehicles does 2028344- cover?

NHTSA's file names Audi A4 (1996–1999). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB 2028344- a recall, and is the repair free?

No. 2028344- is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of 2028344-?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under 2028344-, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under 2028344-. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.