{"vehicle":{"id":"2012_jeep_compass","year":2012,"make":"Jeep","model":"Compass"},"code":"P050B","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":10216272,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-07-25","date":"2013-03-06","document_id":"18-011-13","mfr_campaign":null,"component":"POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE; ELECTRICAL SYSTEM","summary":"Flash: MIL Illumination P050B and/or Rattle/Clatter Sound on Cold Start-up This bulletin involves installing revised heater hoses, routing the purge solenoid wire harness, and installing revised Powertrain Control Module (PCM) software. Customers may indicate that they hear a clatter or rattle noise coming from the engine on initial start up after a long cold soak. A small number of customers may also experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set. P050B - Cold Start Ignition Timing Performance","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10216272-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10216272-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10216272"},{"nhtsa_id":10136482,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-14","date":"2013-03-06","document_id":"18-011-13","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE; ELECTRICAL SYSTEM","summary":"Flash: MIL Illumination P050B and/or Rattle/Clatter Sound on Cold Start-up This bulletin involves installing revised heater hoses, routing the purge solenoid wire harness, and installing revised Powertrain Control Module (PCM) software. Customers may indicate that they hear a clatter or rattle noise coming from the engine on initial start up after a long cold soak. A small number of customers may also experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set. P050B - Cold Start Ignition Timing Performance","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10136482-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10136482-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10136482"},{"nhtsa_id":10128986,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-02-21","date":"2013-03-06","document_id":"18-011-13","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Flash: MIL Illumination P050B and/or Rattle/Clatter Sound on Cold Start-up This bulletin involves installing revised heater hoses, routing the purge solenoid wire harness, and installing revised Powertrain Control Module (PCM) software. Customers may indicate that they hear a clatter or rattle noise coming from the engine on initial start up after a long cold soak. A small number of customers may also experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set. P050B - Cold Start Ignition Timing Performance","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10128986-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10128986-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10128986"}],"url":"https://open.wenmarpro.com/makes/jeep/compass/2012/bulletins?code=P050B"},"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/compass/2012/codes/P050B","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."]}