Ford F-250 2011–2012 — technical service bulletin
Bulletin 12-2-5 · NHTSA communication 10044118 · issued Feb 10, 2012
Technical service bulletin
communication type
Suspension
component
2011–2012
model years
8
vehicle entries
Official summary
Ford: some vehicles exhibit a 4x4 not engaging, not staying engaged and/or unlocking in extreme cold temperatures below -18 degrees celsius or 0 degrees fahrenheit. Include ford model f250, f350,f450, and f550 model years 2011-2012. *js
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.