{"vehicle":{"id":"2019_jeep_wrangler","year":2019,"make":"Jeep","model":"Wrangler"},"code":"C147B","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":5,"bulletins":[{"nhtsa_id":11038524,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-10-16","date":"2026-10-09","document_id":"08-364-26","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C147B-92 - Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster (IPC). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038524-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038524-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038524"},{"nhtsa_id":11038487,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-10-16","date":"2026-10-09","document_id":"08-364-26","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"Flash: Drivetrain Control Module (DTCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set the following Diagnostic Trouble Code (DTC): ● C147B-92 - Front Axle Disconnect Sensor Performance or Incorrect Operation Customers may comment on one or more of the following: ● 4WD system warning lights, service messages, or flashing indicators are displayed in the Instrument Panel Cluster (IPC). ● The vehicle does not engage 4WD properly. This bulletin involves reprogramming the DTCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038487-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038487-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038487"},{"nhtsa_id":10175466,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-26","date":"2020-03-04","document_id":"S2008000016","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"4WD Lamp On, Service 4WD System, DTC C147B-14 Front Axle Disconnect Sensor-Circuit Short To Ground Or Open","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175466-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175466-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175466"},{"nhtsa_id":10175054,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-05-18","date":"2020-03-04","document_id":"S2008000016","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"4WD Lamp On, Service 4WD System, DTC C147B-14 Front Axle Disconnect Sensor-Circuit Short To Ground Or Open","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175054-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10175054-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10175054"},{"nhtsa_id":10174134,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-04-27","date":"2020-03-04","document_id":"S2008000016","mfr_campaign":null,"component":"ELECTRICAL SYSTEM","summary":"4WD Lamp On, Service 4WD System, DTC C147B-14 Front Axle Disconnect Sensor-Circuit Short To Ground Or Open","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174134-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10174134-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10174134"}],"url":"https://open.wenmarpro.com/makes/jeep/wrangler/2019/bulletins?code=C147B"},"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/jeep/wrangler/2019/codes/C147B","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."]}