Ford Expedition 2018–2021 — technical service bulletin
Bulletin SSM 50832 · NHTSA communication 10213710 · issued Jun 6, 2022
Technical service bulletin
communication type
Equipment Adaptive/mobility
component
2018–2021
model years
8
vehicle entries
Official summary
Some 2018-2021 Expedition/Navigator vehicles equipped with electronic limited slip differential (ELSD) rear axle may exhibit a diagnostic trouble code (DTC) P0932:16. Check the condition of the wiring harness and connections at the ELSD and the differential control module rear (DCMR). If no problem is found, replace the DCMR according to the model years. Refer to Workshop Manual (WSM), Section 205-02B. For claiming, use causal part number 4C016.
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.