TSB 05173 — Ford Service bulletin
05173 is a service bulletin on file with NHTSA for the Ford F-150, 2001–2003 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P1131 AND/OR P1151 - 4.2L ENGINE.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 05173 names
| Vehicle | Model years |
|---|---|
| Ford F-150 | 2001, 2002, 2003 |
Every document filed under 05173
| Document ID | Filed | Type |
|---|---|---|
| 05173 | November 14, 2005 | Service bulletin |
What 05173 covers
Engine — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 05173?
05173 is a service bulletin filed with NHTSA by Ford, covering the Ford F-150 across the 2001–2003 model years. NHTSA's summary reads: MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P1131 AND/OR P1151 - 4.2L ENGINE.
Which vehicles does 05173 cover?
NHTSA's file names Ford F-150 (2001–2003). 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 05173 a recall, and is the repair free?
No. 05173 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 05173?
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 05173, its date, and NHTSA's own summary from the public file.
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 05173. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.