TSB TB-21399 — Ford Service bulletin

TB-21399 is a service bulletin on file with NHTSA for the Ford Focus, 2005–2009 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. FORD: PREMATURE FRONT/REAR TIRE WEAR AND/OR VEHICLE DRIFT ON WET OR SNOW COVERED ROADS. IF PERFORMING AN ALIGNMENT, RECORD ALL ALIGN-MENT ANGLES PRIOR TO ANY ADJUSTMENTS, AND ENTER IN WARRANTY CLAIM IF APPLICABLE.

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

1Document filed
1Vehicle named
5Model years

Vehicles and model years TB-21399 names

VehicleModel years
Ford Focus 2005, 2006, 2007, 2008, 2009

Every document filed under TB-21399

Document IDFiledType
TB-21399 July 1, 2010 Service bulletin

What TB-21399 covers

Wheels & tires — the component vocabulary NHTSA files this communication under.

← All Ford Focus TSB years TSB lookup by model

Questions buyers ask

What is TSB TB-21399?

TB-21399 is a service bulletin filed with NHTSA by Ford, covering the Ford Focus across the 2005–2009 model years. NHTSA's summary reads: FORD: PREMATURE FRONT/REAR TIRE WEAR AND/OR VEHICLE DRIFT ON WET OR SNOW COVERED ROADS. IF PERFORMING AN ALIGNMENT, RECORD ALL ALIGN-MENT ANGLES PRIOR TO ANY ADJUSTMENTS, AND ENTER IN WARRANTY CLAIM IF APPLICABLE.

Which vehicles does TB-21399 cover?

NHTSA's file names Ford Focus (2005–2009). 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 TB-21399 a recall, and is the repair free?

No. TB-21399 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 TB-21399?

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 TB-21399, 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 TB-21399. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.