Ford Fiesta 2011–2013 — technical service bulletin
Bulletin 22N11 · NHTSA communication 10231028 · issued Jan 13, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2013
model years
3
vehicle entries
Official summary
Certain 2011-2013 Model Year Fiesta Vehicles Operated in the USA Corrosion States Battery Junction Box Clean and Seal In some of the affected vehicles, the position of the Battery Junction Box (BJB) in the engine compartment is subject to unanticipated direct road water splash while driving. When vehicles are operated in high contamination/corrosion environments associated with road salt use, moisture and debris can enter through the BJB cover and base, potentially leading to corrosion of the relay and fuse terminals, especially at the front of the box. Corrosion in the battery junction box ma
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.