TSB AS-21687 — Ford Service bulletin

AS-21687 is a service bulletin on file with NHTSA for 2 Ford models, 2010 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. FORD: THERE MAY BE A LOSS OF POWER, HESITATION, SURGE, OR LACK OF THROTTLE RESPONSE WHILE DRIVING. THE BRAKE OVER ACCELERATOR FEATURE MAY BE ACTIVATING.

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

1Document filed
2Vehicles named
1Model year

Vehicles and model years AS-21687 names

VehicleModel years
Ford Focus 2010
Ford Ranger 2010

Every document filed under AS-21687

Document IDFiledType
AS-21687 January 1, 2011 Service bulletin

What AS-21687 covers

Transmission & drivetrain — the component vocabulary NHTSA files this communication under.

← All Ford Focus TSB years TSB lookup by model

Questions buyers ask

What is TSB AS-21687?

AS-21687 is a service bulletin filed with NHTSA by Ford, covering 2 Ford models across the 2010 model years. NHTSA's summary reads: FORD: THERE MAY BE A LOSS OF POWER, HESITATION, SURGE, OR LACK OF THROTTLE RESPONSE WHILE DRIVING. THE BRAKE OVER ACCELERATOR FEATURE MAY BE ACTIVATING.

Which vehicles does AS-21687 cover?

NHTSA's file names Ford Focus (2010); Ford Ranger (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 AS-21687 a recall, and is the repair free?

No. AS-21687 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 AS-21687?

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 AS-21687, 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 AS-21687. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.