{"vehicle":{"id":"2021_lincoln_aviator","year":2021,"make":"Lincoln","model":"Aviator"},"code":"P0731","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":8,"bulletins":[{"nhtsa_id":11036595,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-09-01","date":"2026-08-26","document_id":"TSB 26-2395","mfr_campaign":null,"component":"POWER TRAIN; UNKNOWN OR OTHER; ELECTRICAL SYSTEM","summary":"This article supersedes 26-2287. Reason for update: update the labor operation numbers to add MT to operations C, F, G, H, J, K, L and M, and correct the part number LIMZ-4A015-B to L1MZ-4A015-B. Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions: Harsh engagement Delayed engagement Harsh shift Delayed shift Illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC)s P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to axial movement of the CDF clutch cylinder sleeve causing hydraulic circuit leaks. NOTE: If internal transmission service is required to address a concern detected with the CDF clutch cylinder following this article, technicians should carefully inspect and replace other transmission components and flush transmission fluid cooler only as ne","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036595-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11036595-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11036595"},{"nhtsa_id":11034011,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-06-22","date":"2026-06-18","document_id":"TSB 26-2287","mfr_campaign":null,"component":"POWER TRAIN","summary":"This article supersedes 25-2302. Reason for update: update the labor time allowance for F-150 vehicles, update the Parts list to replace the part number W716979-S439 with W721084-S439, and add a note for LV fluids XT-10-QLVC and CXT-10-LV6 \"Transfer Case Fluid\". Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions: Harsh engagement Delayed engagement Harsh shift Delayed shift Illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC)s P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to axial movement of the CDF clutch cylinder sleeve causing hydraulic circuit leaks. NOTE: If internal transmission service is required to address a concern detected with the CDF clutch cylinder following this article, technicians should carefully inspect and replace other tra","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034011-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11034011-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11034011"},{"nhtsa_id":11021973,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-08-19","date":"2025-08-16","document_id":"TSB 25-2302","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","summary":"This article supersedes TSB 24-2252 to update the Title, Action Statement, Service Procedure and Part List. Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions: Harsh engagement Delayed engagement Harsh shift Delayed shift Illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC)s P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to axial movement of the CDF clutch cylinder sleeve causing hydraulic circuit leaks. NOTE: If internal transmission service is required to address a concern detected with the CDF clutch cylinder following this article, technicians should carefully inspect and replace other transmission components and flush transmission fluid cooler only as necessary as needed to ensure proper function. Add a new line to the repair order to docum","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021973-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11021973-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11021973"},{"nhtsa_id":11006770,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-09-02","date":"2024-08-26","document_id":"TSB 24-2252","mfr_campaign":null,"component":"POWER TRAIN","summary":"Some 2020-2023 Explorer/Aviator and 2021-2023 F-150 vehicles equipped with a 10R80 MHT transmission may exhibit harsh/delayed engagements and/or harsh/delayed shifts, an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to the software in the powertrain control module (PCM) or transmission control module (TCM), the transmission solenoid ID strategy, sticking valves in the main control valve body and/or axial movement of the CDF clutch cylinder (7H351) sleeve. To correct the condition, follow the Service Procedure to identify and correct the condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11006770-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11006770-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11006770"},{"nhtsa_id":11001180,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-06-07","date":"2024-05-31","document_id":"TSB 24-2176","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"This article supersedes TSBs 24-2100 and 24-2070 to add 2023 F-150 vehicles, update the TSB Issue statement and the TSB Service Procedure. Some 2021-2023 F-150, 2022-2023 Expedition/Navigator/Mustang and 2020-2023 Transit/Explorer/Aviator vehicles equipped with a 10R80/10R80MHT transmission may exhibit a harsh/delayed engagement and/or harsh/delayed shift, an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to the software in the powertrain control module (PCM) or transmission control module (TCM), the transmission solenoid ID strategy, sticking valves in the main control valve body and/or axial movement of the CDF clutch cylinder (7H351) sleeve. To correct the condition, follow the Service Procedure to identify and correct the condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11001180-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11001180-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11001180"},{"nhtsa_id":10241447,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-08-30","date":"2023-08-14","document_id":"TSB 23-2250","mfr_campaign":null,"component":"POWER TRAIN","summary":"This article supersedes TSB 22-2428 and 23-2176 to update the Issue, Action and Service Procedure. Some 2017-2023 F-150, 2018-2023 Expedition/Navigator/Mustang, 2019-2023 Ranger, 2020-2023 Explorer/Aviator/Transit and 2021-2023 Bronco vehicles equipped with a 10R60/10R80/10R80MHT transmission may exhibit a harsh/delayed engagement and/or harsh/delayed shift, an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to the software in the powertrain control module (PCM) or transmission control module (TCM), the transmission solenoid ID strategy, sticking valves in the main control valve body and/or axial movement of the CDF clutch cylinder (7H351) sleeve. To correct the condition, follow the Service Procedure to identify and correct the condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241447-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10241447-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10241447"},{"nhtsa_id":10236680,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-05-30","date":"2023-05-29","document_id":"TSB 22-2428","mfr_campaign":null,"component":"POWER TRAIN","summary":"Some 2017-2023 F-150, 2018-2023 Expedition/Navigator/Mustang, 2019-2023 Ranger, 2020-2023 Explorer/Aviator/Transit and 2021-2023 Bronco vehicles equipped with a 10R60 transmission and built on or before 23-Dec-2022 or with a 18R80/10R80MHT transmission and built on or before 15-Aug-2022 may exhibit a harsh/delayed engagement and/or harsh/delayed shift. It is possible the vehicle may also have an illuminated malfunction indicator lamp (MIL) or diagnostic trouble codes (DTC) P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to the software in the PCM or TCM, the transmission solenoid ID strategy, sticking valves in the main control valve body and/or axial movement of the CDF clutch cylinder (7H351) sleeve.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10236680-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10236680-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10236680"},{"nhtsa_id":10205717,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-01-01","date":"2021-12-24","document_id":"TSB 21-2434","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Some 2020-2022 Explorer/Aviator/Police Interceptor Utility vehicles and 2021 F-150 vehicles equipped with a 10R80 MHT automatic transmission may exhibit a harsh/delayed engagement and/or a harsh/delayed shift with or without an illuminated malfunction indicator lamp (MIL) or diagnostic trouble codes (DTC) P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6, P07F7, P2700, P2701, P2702, P2703, P2704 and/or P2705 stored in the powertrain control module (PCM). This may be due to sticking valves in the main control valve body. To correct the condition, follow the Service Procedure steps to perform the PCM - Transmission Accelerated Main Control Break In routine for the appropriate clutch(s) and/or overhaul the main control valve body.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10205717-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10205717-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10205717"}],"url":"https://open.wenmarpro.com/makes/lincoln/aviator/2021/bulletins?code=P0731"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/lincoln/aviator/2021/codes/P0731","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}