{"nhtsa_id":10238468,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-07-03","date":"2023-07-03","document_id":"SSM 51764","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Some 2020-2023 Explorer/Aviator vehicles equipped with a 3.0L EcoBoost may exhibit an illuminated malfunction indicator lamp (MIL) and low oil pressure warning in the instrument panel cluster (IPC), with diagnostic trouble codes (DTC) P0521 and/or P0524 in the powertrain control module (PCM). This condition may be caused by an internal oil pressure leak. If pinpoint test E in the Workshop Manual (WSM) Section 303-01B directs you to the replacement of the oil pump, upon reassembly inspect that the main oil gallery tube (6718) is assembled and aligned properly on the back of the engine front cover. The engine oil gallery seal (00815) must be replaced any time the front cover is removed (per WSM Section 303-01B). The WSM front cover removal and installation procedure is in the process of being updated.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10238468-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10238468-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10238468","components":[{"id":"engine","name":"Engine","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P0521","P0524"],"topics":[],"vehicles":[{"make":"FORD","model":"EXPLORER","year_from":2020,"year_to":2023,"match":"exact","vehicle_ids":["2020_ford_explorer","2021_ford_explorer","2022_ford_explorer","2023_ford_explorer"]},{"make":"LINCOLN","model":"NAVIGATOR","year_from":2020,"year_to":2023,"match":"exact","vehicle_ids":["2020_lincoln_navigator","2021_lincoln_navigator","2022_lincoln_navigator","2023_lincoln_navigator"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}