Ford Explorer 2020–2023 — technical service bulletin
Bulletin SSM 51951 · NHTSA communication 10243655 · issued Sep 28, 2023
Technical service bulletin
communication type
Power Train
component
2020–2023
model years
8
vehicle entries
Official summary
Some 2020-2023 Explorer/Aviator vehicles equipped with a 10R80 MHT transmission may exhibit an illuminated powertrain malfunction (wrench) lamp with diagnostic trouble code (DTC) P084B stored in the PCM. The Workshop Manual (WSM) has recently been updated to provide new direction for DTC P084B.
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.