TSB ASI-44429 — Ford Service bulletin

ASI-44429 is a service bulletin on file with NHTSA for the Ford Explorer, 2006–2010 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. FORD/MERCURY: TO PREVENT HARNESS DAMAGE, ON SOME VEHICLES, RESULTING IN CONTACT WITH TIRE OR SUSPENSION COMPONENTS, PROPER ROUTING OF WIRING HARNESS FOR WHEEL SPEED SENSOR IS KEY. 2006-2010 EXPLORER, MOUNTAINEER, EXPLORER SPORT TRAC.

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

1Document filed
1Vehicle named
5Model years

Vehicles and model years ASI-44429 names

VehicleModel years
Ford Explorer 2006, 2007, 2008, 2009, 2010

Every document filed under ASI-44429

Document IDFiledType
ASI-44429 March 1, 2014 Service bulletin

What ASI-44429 covers

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

← All Ford Explorer TSB years TSB lookup by model

Questions buyers ask

What is TSB ASI-44429?

ASI-44429 is a service bulletin filed with NHTSA by Ford, covering the Ford Explorer across the 2006–2010 model years. NHTSA's summary reads: FORD/MERCURY: TO PREVENT HARNESS DAMAGE, ON SOME VEHICLES, RESULTING IN CONTACT WITH TIRE OR SUSPENSION COMPONENTS, PROPER ROUTING OF WIRING HARNESS FOR WHEEL SPEED SENSOR IS KEY. 2006-2010 EXPLORER, MOUNTAINEER, EXPLORER SPORT TRAC.

Which vehicles does ASI-44429 cover?

NHTSA's file names Ford Explorer (2006–2010). 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 ASI-44429 a recall, and is the repair free?

No. ASI-44429 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 ASI-44429?

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 ASI-44429, 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 ASI-44429. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.