{"vehicle":{"id":"2019_jeep_wrangler","year":2019,"make":"Jeep","model":"Wrangler"},"code":"P0133","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":6,"bulletins":[{"nhtsa_id":10221287,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2021-06-19","document_id":"S1918000008RevB","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10221287-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10221287-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221287"},{"nhtsa_id":10219953,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-15","date":"2021-08-12","document_id":"S1918000008RevC","mfr_campaign":null,"component":"BACK OVER PREVENTION","summary":"Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10219953-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10219953-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10219953"},{"nhtsa_id":10218493,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-22","date":"2021-08-12","document_id":"S1918000008","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10218493-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10218493-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10218493"},{"nhtsa_id":10215854,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-07-18","date":"2021-01-16","document_id":"S1918000008 Rev.","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10215854-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10215854-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10215854"},{"nhtsa_id":10212474,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-05-31","date":"2021-06-19","document_id":"S1918000008","mfr_campaign":null,"component":"BACK OVER PREVENTION","summary":"Customer?s complaint may include a MIL-on with one or more of the following DTCs Active, Pending, or Stored in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 Bank 1 downstream O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10212474-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10212474-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10212474"},{"nhtsa_id":10187033,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-02-16","date":"2021-01-16","document_id":"S1918000008 Rev.","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"Customer's complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187033-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10187033-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187033"}],"url":"https://open.wenmarpro.com/makes/jeep/wrangler/2019/bulletins?code=P0133"},"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/P0133","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."]}