TSB TSB-12-7-4 — Ford Service bulletin

TSB-12-7-4 is a service bulletin on file with NHTSA for 4 Ford models, 2004–2009 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. FORD/LINCOLN/MERCURY: IF BATTERY WAS DISCONNECTED OR DEAD, VEHICLES/TRUCKS MAY EXPERIENCE HARD STARTS AND ENGINE IDLE RPM FLUCTUATION AND EXHIBIT DIAGNOSTIC TROUBLE CODES (DTCS) P0505, P0506, P2111 AND P2112.

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

1Document filed
4Vehicles named
6Model years

Vehicles and model years TSB-12-7-4 names

VehicleModel years
Ford Crown Victoria 2005, 2006, 2007, 2008
Ford Explorer 2004, 2005, 2006, 2007
Ford F-150 2004, 2005, 2006
Ford Mustang 2005, 2006, 2007, 2008, 2009

Every document filed under TSB-12-7-4

Document IDFiledType
TSB-12-7-4 July 10, 2012 Service bulletin

What TSB-12-7-4 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Ford Crown Victoria TSB years TSB lookup by model

Questions buyers ask

What is TSB TSB-12-7-4?

TSB-12-7-4 is a service bulletin filed with NHTSA by Ford, covering 4 Ford models across the 2004–2009 model years. NHTSA's summary reads: FORD/LINCOLN/MERCURY: IF BATTERY WAS DISCONNECTED OR DEAD, VEHICLES/TRUCKS MAY EXPERIENCE HARD STARTS AND ENGINE IDLE RPM FLUCTUATION AND EXHIBIT DIAGNOSTIC TROUBLE CODES (DTCS) P0505, P0506, P2111 AND P2112.

Which vehicles does TSB-12-7-4 cover?

NHTSA's file names Ford Crown Victoria (2005–2008); Ford Explorer (2004–2007); Ford F-150 (2004–2006); Ford Mustang (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 TSB-12-7-4 a recall, and is the repair free?

No. TSB-12-7-4 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 TSB-12-7-4?

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 TSB-12-7-4, 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 TSB-12-7-4. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.