{"vehicle":{"id":"2021_ram_1500","year":2021,"make":"Ram","model":"1500"},"code":"P1B14","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":7,"bulletins":[{"nhtsa_id":11030138,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-18","date":"2026-03-09","document_id":"S2621000003 REV.A","mfr_campaign":null,"component":"POWER TRAIN","summary":"The vehicle will exhibit a service transmission/check engine warning indicator for the following transmission models: 845RE, 8HP45, 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV, 8HP75-LCV, 8HP90, 8HP95. Transmissions may exhibit the following diagnostic codes: P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030138-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030138-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030138"},{"nhtsa_id":11029770,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-03-05","date":"2026-02-25","document_id":"S2621000003","mfr_campaign":null,"component":"POWER TRAIN","summary":"Service transmission/check engine warning indicator for the 850RE, 8HP50, 8HP70, 8HP75, 8HP75-PHEV transmissions that have fault codes P07E4, P1DB2, P0716, P1B14, P0733, P1D90, P1DB7, P1B13.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029770-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11029770-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11029770"},{"nhtsa_id":10220988,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2021-03-30","document_id":"0900321REVA","mfr_campaign":null,"component":"POWER TRAIN","summary":"Transmission Oil Cooler Lines Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnectingif necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs). P1D90-00 Incorrect Gear Ratio - Clutch 2 Defective. P1D91-00 Incorrect Gear Ratio - Clutch 3 Defective. P1D92-00 Incorrect Gear Ratio - Clutch 4 Defective. P1D93-00 Incorrect Gear Ratio - Clutch 5 Defective. P1D95-00 Tcm Clutch Failure Undetermined. P1B14-00 Park-By-Wire - Unintended Park Position. P1B13-00 Park-By-Wire - Unintended Out Of Park Position. P1D99-00 Incorrect Gear Ratio: Clutch B Or E Defective. P1D9A-00 Incorrect Gear Ratio: Clutch C Or D Defective. P1D95-00 Tcm Clutch Failure Undetermined. P07E4-00 Unable To Engage Park. P1DCD-00 Tcm Monitoring Processor Performance - Multiple Clutches Locked Up. P0735-00 Gear 5 Shift Incorrect Ratio. P0919-00 Gear Shift Position Control Error. Customers may also experience the following:Transmission fluid leaking under vehicle. The vehicle will not shift. Slow shifting between gears.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10220988-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10220988-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10220988"},{"nhtsa_id":10220987,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2021-03-27","document_id":"0900321","mfr_campaign":null,"component":"POWER TRAIN","summary":"Transmission Oil Cooler Lines Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnecting if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs). P1D90-00 Incorrect Gear Ratio - Clutch 2 Defective. P1D91-00 Incorrect Gear Ratio - Clutch 3 Defective. P1D92-00 Incorrect Gear Ratio - Clutch 4 Defective. P1D93-00 Incorrect Gear Ratio - Clutch 5 Defective. P1D95-00 Tcm Clutch Failure Undetermined. P1B14-00 Park-By-Wire - Unintended Park Position. P1B13-00 Park-By-Wire - Unintended Out Of Park Position. P1D99-00 Incorrect Gear Ratio: Clutch B Or E Defective. P1D9A-00 Incorrect Gear Ratio: Clutch C Or D Defective. P1D95-00 Tcm Clutch Failure Undetermined. P07E4-00 Unable To Engage Park. P1DCD-00 Tcm Monitoring Processor Performance - Multiple Clutches Locked Up. P0735-00 Gear 5 Shift Incorrect Ratio. P0919-00 Gear Shift Position Control Error. Customers may also experience the following:Transmission fluid leaking under vehicle. The vehicle will not shift. Slow shifting between gears.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10220987-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10220987-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10220987"},{"nhtsa_id":10190735,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-26","date":"2021-03-30","document_id":"09-003-21 REV. A","mfr_campaign":null,"component":"EXTERIOR LIGHTING; POWER TRAIN","summary":"Transmission Oil Cooler Lines Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnectingif necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs). P1D90-00 Incorrect Gear Ratio - Clutch 2 Defective. P1D91-00 Incorrect Gear Ratio - Clutch 3 Defective. P1D92-00 Incorrect Gear Ratio - Clutch 4 Defective. P1D93-00 Incorrect Gear Ratio - Clutch 5 Defective. P1D95-00 Tcm Clutch Failure Undetermined. P1B14-00 Park-By-Wire - Unintended Park Position. P1B13-00 Park-By-Wire - Unintended Out Of Park Position. P1D99-00 Incorrect Gear Ratio: Clutch B Or E Defective. P1D9A-00 Incorrect Gear Ratio: Clutch C Or D Defective. P1D95-00 Tcm Clutch Failure Undetermined. P07E4-00 Unable To Engage Park. P1DCD-00 Tcm Monitoring Processor Performance - Multiple Clutches Locked Up. P0735-00 Gear 5 Shift Incorrect Ratio. P0919-00 Gear Shift Position Control Error. Customers may also experience the following:Transmission fluid leaking under vehicle. The vehicle will not shift. Slow shifting between gears.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190735-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190735-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190735"},{"nhtsa_id":10190734,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-26","date":"2021-03-27","document_id":"09-003-21","mfr_campaign":null,"component":"POWER TRAIN; EXTERIOR LIGHTING","summary":"Transmission Oil Cooler Lines Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnecting if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs). P1D90-00 Incorrect Gear Ratio - Clutch 2 Defective. P1D91-00 Incorrect Gear Ratio - Clutch 3 Defective. P1D92-00 Incorrect Gear Ratio - Clutch 4 Defective. P1D93-00 Incorrect Gear Ratio - Clutch 5 Defective. P1D95-00 Tcm Clutch Failure Undetermined. P1B14-00 Park-By-Wire - Unintended Park Position. P1B13-00 Park-By-Wire - Unintended Out Of Park Position. P1D99-00 Incorrect Gear Ratio: Clutch B Or E Defective. P1D9A-00 Incorrect Gear Ratio: Clutch C Or D Defective. P1D95-00 Tcm Clutch Failure Undetermined. P07E4-00 Unable To Engage Park. P1DCD-00 Tcm Monitoring Processor Performance - Multiple Clutches Locked Up. P0735-00 Gear 5 Shift Incorrect Ratio. P0919-00 Gear Shift Position Control Error. Customers may also experience the following:Transmission fluid leaking under vehicle. The vehicle will not shift. Slow shifting between gears.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190734-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190734-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190734"},{"nhtsa_id":10187717,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-01","date":"2020-12-22","document_id":"09-014-20","mfr_campaign":null,"component":"EQUIPMENT; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY","summary":"Transmission Oil Cooler Line Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnectingif necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs).P1D90-00 Incorrect Gear Ratio - Clutch 2 Defective. P1D91-00 Incorrect Gear Ratio - Clutch 3 Defective. P1D92-00 Incorrect Gear Ratio - Clutch 4 Defective. P1D93-00 Incorrect Gear Ratio - Clutch 5 Defective. P1D95-00 Tcm Clutch Failure Undetermined. P1B14-00 Park-By-Wire - Unintended Park Position. P1B13-00 Park-By-Wire - Unintended Out Of Park Position. P1D99-00 Incorrect Gear Ratio: Clutch B Or E Defective. P1D9A-00 Incorrect Gear Ratio: Clutch C Or D Defective. P1D95-00 Tcm Clutch Failure Undetermined. P07E4-00 Unable To Engage Park. P1DCD-00 Tcm Monitoring Processor Performance - Multiple Clutches Locked Up. P0735-00 Gear 5 Shift Incorrect Ratio. P0919-00 Gear Shift Position Control Error. Customers may also experience the following:Transmission fluid leaking under vehicle. The vehicle will not shift. Slow shifting between gears.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10187717-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10187717-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187717"}],"url":"https://open.wenmarpro.com/makes/ram/1500/2021/bulletins?code=P1B14"},"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/ram/1500/2021/codes/P1B14","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."]}