Ford Explorer 2020 — technical service bulletin
Bulletin SSM 49204 · NHTSA communication 10180421 · issued Sep 24, 2020
Technical service bulletin
communication type
Electrical System
component
2020
model years
3
vehicle entries
Official summary
Some 2020 Explorer/Aviator/Police Interceptor Utility vehicles may exhibit various electrical concerns due to an open 3 or 4 post fuse array on the high current battery junction box (BJB). Service part LU5Z-14526-ALD has been released for the 3 post fuse array and LU5Z-14526-ANC has been released for the 4 post fuse array. It is no longer necessary to order the complete wiring harness to obtain these parts.
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.