Ford Explorer 2020–2021 — technical service bulletin
Bulletin SSM 49642 · NHTSA communication 10189553 · issued Mar 3, 2021
Technical service bulletin
communication type
Power Train
component
2020–2021
model years
4
vehicle entries
Official summary
Some 2020-2021 Explorer/Aviator vehicles equipped with an 10R60 automatic transmission may exhibit diagnostic trouble code (DTC) P27B2 stored in the powertrain control module (PCM) memory. This DTC may be present due to activation of the transmission park by wire manual release during vehicle assembly and has not yet achieved the 40 warm up cycles needed to be cleared from memory. Before attempting a repair for this DTC, clear the DTC and if it returns, refer to the WSM, Section 307-01 for normal diagnostics. For claiming, use causal part 12A650 and applicable labor times in section 10 of the
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.