{"vehicle":{"id":"2015_dodge_durango","year":2015,"make":"Dodge","model":"Durango"},"code":"P1B13","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":6,"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":10217400,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-08","date":"2015-10-09","document_id":"21-027-15 REV. C","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; POWER TRAIN","summary":"Flash: Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code (DTC) stored in the TCM memory. In addition, the following TCM calibration improvements are also available for vehicles equipped with the 845RE 8 speed transmission (Sales Code DFL). These improvements are listed per engine application. 3.0L Gas Engine (Sales Code EHD) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio. ? Improved upshift timing. ? Improved torque converter engagement. ? Improved shift timing during tow mode operation. ? Improved shift points during aggressive driving. ? Calibration improvement to correct bump feel during 2-1 downshift. ? Improved shift timing while in snow, base, and hill modes. 3.6L Gas Engine (Sales Code ERB) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio. ? Improved 4-3 and 3-2 downshifts. ? Improved shift timing at higher altitudes. ? Improved shift timing while in sand mode. ? Calibration improvement for multi-gear downshift timing during passing maneuvers. ? Calibration improvement for intermittent delayed upshift.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10217400-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10217400-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10217400"},{"nhtsa_id":10216162,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-07-25","date":"2015-10-09","document_id":"21-027-15 REV. C","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; ENGINE; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY","summary":"Flash: Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code (DTC) stored in the TCM memory. In addition, the following TCM calibration improvements are also available for vehicles equipped with the 845RE 8 speed transmission (Sales Code DFL). These improvements are listed per engine application. 3.0L Gas Engine (Sales Code EHD) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio. ? Improved upshift timing. ? Improved torque converter engagement. ? Improved shift timing during tow mode operation. ? Improved shift points during aggressive driving. ? Calibration improvement to correct bump feel during 2-1 downshift. ? Improved shift timing while in snow, base, and hill modes. 3.6L Gas Engine (Sales Code ERB) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio. ? Improved 4-3 and 3-2 downshifts. ? Improved shift timing at higher altitudes. ? Improved shift timing while in sand mode. ? Calibration improvement for multi-gear downshift timing during passing maneuvers. ? Calibration improvement for intermittent delayed upshift.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10216162-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10216162-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10216162"},{"nhtsa_id":10151743,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-17","date":"2015-10-09","document_id":"21-027-15 REV-C","mfr_campaign":null,"component":"POWER TRAIN","summary":"Flash: Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code (DTC) stored in the TCM memory. In addition, the following TCM calibration improvements are also available for vehicles equipped with the 845RE 8 speed transmission (Sales Code DFL). These improvements are listed per engine application. 3.0L Gas Engine (Sales Code EHD) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio. ? Improved upshift timing. ? Improved torque converter engagement. ? Improved shift timing during tow mode operation. ? Improved shift points during aggressive driving. ? Calibration improvement to correct bump feel during 2-1 downshift. ? Improved shift timing while in snow, base, and hill modes. 3.6L Gas Engine (Sales Code ERB) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio. ? Improved 4-3 and 3-2 downshifts. ? Improved shift timing at higher altitudes. ? Improved shift timing while in sand mode. ? Calibration improvement for multi-gear downshift timing during passing maneuvers. ? Calibration improvement for intermittent delayed upshift.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10151743-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10151743-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10151743"},{"nhtsa_id":10148972,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-26","date":"2015-08-15","document_id":"21-027-15 REV-B","mfr_campaign":null,"component":"POWER TRAIN","summary":"Flash: Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code (DTC) stored in the TCM memory. In addition, the following TCM calibration improvements are also available for vehicles equipped with the 845RE 8 speed transmission (Sales Code DFL). These improvements are listed per engine application. 3.0L Gas Engine (Sales Code EHD) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio. ? Improved upshift timing. ? Improved torque converter engagement. ? Improved shift timing during tow mode operation. ? Improved shift points during aggressive driving. ? Calibration improvement to correct bump feel during 2-1 downshift. ? Improved shift timing while in snow, base, and hill modes. 3.6L Gas Engine (Sales Code ERB) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio. ? Improved 4-3 and 3-2 downshifts. ? Improved shift timing at higher altitudes. ? Improved shift timing while in sand mode. ? Calibration improvement for multi-gear downshift timing during passing maneuvers. ? Calibration improvement for intermittent delayed upshift.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10148972-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10148972-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10148972"},{"nhtsa_id":10148956,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-11-26","date":"2015-08-05","document_id":"21-027-15 REV-A","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN","summary":"Flash: Transmission Shift Enhancements This bulletin involves reprogramming of the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience an erroneous Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, the technician may find a Diagnostic Trouble Code (DTC) stored in the TCM memory. In addition, the following TCM calibration improvements are also available for vehicles equipped with the 845RE 8 speed transmission (Sales Code DFL). These improvements are listed per engine application. 3.0L Gas Engine (Sales Code EHD) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio ? Improved upshift timing. ? Improved torque converter engagement. ? Improved shift timing during tow mode operation. ? Improved shift points during aggressive driving. ? Calibration improvement to correct bump feel during 2-1 downshift. ? Improved shift timing while in snow, base, and hill modes. 3.6L Gas Engine (Sales Code ERB) ? P1DCD - TCM monitoring processor performance multiple clutches locked up. ? P1B13 - Park-By-Wire unintended out of park position. ? P0734 - Gear 4 Shift Incorrect Ratio ? Improved 4-3 and 3-2 downshifts. ? Improved shift timing at higher altitudes. ? Improved shift timing while in sand mode. ? Calibration improvement for multi-gear downshift timing during passing maneuvers. ? Calibration improvement for intermittent delayed upshift.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10148956-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10148956-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10148956"}],"url":"https://open.wenmarpro.com/makes/dodge/durango/2015/bulletins?code=P1B13"},"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/dodge/durango/2015/codes/P1B13","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."]}