TSB SSM-46900 — Ford and Lincoln Service bulletin

SSM-46900 is a service bulletin on file with NHTSA for 5 Ford and Lincoln models, 2009–2012 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Some vehicles may exhibit a no start condition with an illuminated malfunction indicator lamp (MIL) and a DTC P161A after PCM replacement. This may be due to the parameter reset procedure not being properly completed. To clear this DTC, use the Ford Integrated Diagnostic System…

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

1Document filed
5Vehicles named
4Model years

Vehicles and model years SSM-46900 names

VehicleModel years
Ford Expedition 2009, 2010
Ford F-150 2009
Ford Flex 2010, 2011, 2012
Ford Taurus 2010, 2011
Lincoln Navigator 2009, 2010

Every document filed under SSM-46900

Document IDFiledType
SSM 46900 November 2, 2017 Service bulletin

What SSM-46900 covers

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

← All Ford Expedition TSB years TSB lookup by model

Questions buyers ask

What is TSB SSM-46900?

SSM-46900 is a service bulletin filed with NHTSA by Ford and Lincoln, covering 5 Ford and Lincoln models across the 2009–2012 model years. NHTSA's summary reads: Some vehicles may exhibit a no start condition with an illuminated malfunction indicator lamp (MIL) and a DTC P161A after PCM replacement. This may be due to the parameter reset procedure not being properly completed. To clear this DTC, use the Ford Integrated Diagnostic System…

Which vehicles does SSM-46900 cover?

NHTSA's file names Ford Expedition (2009–2010); Ford F-150 (2009); Ford Flex (2010–2012); Ford Taurus (2010–2011); Lincoln Navigator (2009–2010). 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 SSM-46900 a recall, and is the repair free?

No. SSM-46900 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 SSM-46900?

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 SSM-46900, 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 SSM-46900. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.