Ford Expedition 2003 — technical service bulletin
Bulletin 16336 · NHTSA communication 10013083 · issued Oct 1, 2002
Technical service bulletin
communication type
Service Brakes, Hydraulic
component
2003
model years
2
vehicle entries
Official summary
Diagnostics for diagnostic trouble code c1991 in the abs (antilock brake system) module - omitted from workshop manual - procedure provided. *tt
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.