TSB TT230628 — Volkswagen Service bulletin

TT230628 is a service bulletin on file with NHTSA for the Volkswagen Passat, 1995–1996 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. For long crank/ difficulty starting with the engine hot: Before replacing any components for this complaint, drain the fuel from the vehicle and replace with known good diesel fuel from a reputable source. If the complaint still exists, check fuel pressure and injector timing.

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

1Document filed
1Vehicle named
2Model years

Vehicles and model years TT230628 names

VehicleModel years
Volkswagen Passat 1995, 1996

Every document filed under TT230628

Document IDFiledType
TT230628 September 12, 2014 Service bulletin

What TT230628 covers

Brakes & stability, Fuel system — the component vocabulary NHTSA files this communication under.

← All Volkswagen Passat TSB years TSB lookup by model

Questions buyers ask

What is TSB TT230628?

TT230628 is a service bulletin filed with NHTSA by Volkswagen, covering the Volkswagen Passat across the 1995–1996 model years. NHTSA's summary reads: For long crank/ difficulty starting with the engine hot: Before replacing any components for this complaint, drain the fuel from the vehicle and replace with known good diesel fuel from a reputable source. If the complaint still exists, check fuel pressure and injector timing.

Which vehicles does TT230628 cover?

NHTSA's file names Volkswagen Passat (1995–1996). 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 TT230628 a recall, and is the repair free?

No. TT230628 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 TT230628?

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 TT230628, 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 TT230628. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.