{"nhtsa_id":10168771,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-12-04","date":"2019-11-01","document_id":"SSM 48300","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Some 2017-2019 F-Super Duty 4x4 vehicles may exhibit an inoperative transfer case function with various diagnostic trouble codes (DTCs), including but not limited to P1839, P1867, P1861, P1891, P1841, U0102. If normal diagnosis leads to shift motor as the cause, first disconnect transfer case control module (TCCM) connector C2371A, and inline connectors C1010 (diesel) or C145 (gasoline) as well as transfer case connector C350. Inspect for loose pins, contamination and broken wires and repair as necessary. If nothing is found, reconnect and test 4x4 operation.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168771-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10168771-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10168771","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["C1010","P1839","P1841","P1861","P1867","P1891","U0102"],"topics":[],"vehicles":[{"make":"FORD","model":"F-250 SD","year_from":2017,"year_to":2019,"match":"base","vehicle_ids":["2017_ford_f-250","2018_ford_f-250","2019_ford_f-250"]},{"make":"FORD","model":"F-350 SD","year_from":2017,"year_to":2019,"match":"base","vehicle_ids":["2017_ford_f-350","2018_ford_f-350","2019_ford_f-350"]},{"make":"FORD","model":"F-450 SD","year_from":2017,"year_to":2019,"match":"base","vehicle_ids":["2017_ford_f-450","2018_ford_f-450","2019_ford_f-450"]},{"make":"FORD","model":"F-550 SD","year_from":2017,"year_to":2019,"match":"base","vehicle_ids":["2017_ford_f-550","2018_ford_f-550","2019_ford_f-550"]}],"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":[]}