{"nhtsa_id":10201907,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-10-05","date":"2021-09-28","document_id":"TSB 21-2336","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"Some 2018-2020 F-150 vehicles built on or before 1-Apr-2020 equipped with a 3.0L diesel engine, 2017-2019 F-Super Duty vehicles built on or before 30-Oct-2019 equipped with a 6.7L engine and 2016-2019 F-650/F-750 vehicles built on or before 30-Oct-2019 equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P21DD, P20BA. P20B9, P204C, P208A, P208B, P208C, P203B, P205B, P21CD and/or U02A2 in the powertrain control module (PCM). This may be due to water intrusion within connectors C3613 and/or C4851/C3610 on the reductant harness going to the reductant pump/heater assembly and the reductant level sensor/quality module. To correct the condition, follow the Service Procedure steps to replace the reductant tank harness, the reductant pump/heater assembly and/or the reductant tank.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201907-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10201907-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10201907","components":[{"id":"electrical","name":"Electrical system","parent":null},{"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":["C3610","C3613","P203B","P204C","P205B","P208A","P208B","P208C","P20B9","P20BA","P21CD","P21DD","U02A2"],"topics":[],"vehicles":[{"make":"FORD","model":"F-150","year_from":2018,"year_to":2020,"match":"exact","vehicle_ids":["2018_ford_f-150","2019_ford_f-150","2020_ford_f-150"]},{"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"]},{"make":"FORD","model":"F-650 SD","year_from":2016,"year_to":2019,"match":"base","vehicle_ids":["2016_ford_f-650","2017_ford_f-650","2018_ford_f-650","2019_ford_f-650"]},{"make":"FORD","model":"F-750 SD","year_from":2016,"year_to":2019,"match":"base","vehicle_ids":["2016_ford_f-750","2017_ford_f-750","2018_ford_f-750","2019_ford_f-750"]}],"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":[]}