{"vehicle":{"id":"2011_honda_odyssey","year":2011,"make":"Honda","model":"Odyssey"},"code":"P0303","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":11,"bulletins":[{"nhtsa_id":10181078,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-10-14","date":"2020-10-08","document_id":"A13-081","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"Service Bulletin - American Honda announced a powertrain warranty extension in 2013 as a result of a settlement of a class action captioned, Soto et al.v. American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). The piston rings on certain cylinders may rotate and align, which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on. American Honda is extending the powertrain warranty to cover repairs related to engine misfire (that triggers DTCs P0301 through P0304) to 8 years with unlimited mileage from the original date of purchase and has settled a class action based on this remedial measure.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10181078-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10181078-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10181078"},{"nhtsa_id":10161635,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-06-25","date":"2019-06-18","document_id":"A13-081","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING","summary":"Service Bulletin - American Honda is announcing a powertrain warranty extension as a result of a settlement of a class action captioned, Soto et al.v. American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). The piston rings on certain cylinders may rotate and align, which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on. American Honda is extending the powertrain warranty to cover repairs related to engine misfire (that triggers DTCs P0301 through P0304) to 8 years with unlimited mileage from the original date of purchase and has settled a class action based on this remedial measure. This warranty extension does not apply to any vehicle that has ever been declared a total loss or sold for salvage by a financial institution or insurer, or has a branded or similar title under any state's law.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10161635-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10161635-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10161635"},{"nhtsa_id":10152433,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-01-05","date":"2018-12-20","document_id":"A13-081","mfr_campaign":null,"component":"EQUIPMENT; ENGINE","summary":"\"Service bulletin - American Honda is announcing a powertrain warranty extension as a result of a settlement of a class action captioned, Soto et al.v. American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). The piston rings on certain cylinders may rotate and align, which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on. American Honda is extending the powertrain warranty to cover repairs related to engine misfire (that triggers DTCs P0301 through P0304) to 8 years with unlimited mileage from the original date of purchase and has settled a class action based on this remedial measure.\"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10152433-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10152433-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10152433"},{"nhtsa_id":10142437,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-07-02","date":"2018-06-13","document_id":"A13-081","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Service bulletin - American Honda is announcing a powertrain warranty extension as a result of a settlement of a class action captioned, Soto et al.v. American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). The piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10142437-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10142437-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142437"},{"nhtsa_id":10136436,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-14","date":"2018-05-04","document_id":"A13-081","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","summary":"Service bulletin - The piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10136436-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10136436-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10136436"},{"nhtsa_id":10129411,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-03-05","date":"2018-01-23","document_id":"A13-081","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING","summary":"Service bulletin - American Honda is announcing a powertrain warranty extension as a result of a settlement of a class action captioned, Soto et al.v. American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). The piston rings on certain cylinders may rotate and align, which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10129411-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10129411-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10129411"},{"nhtsa_id":10128889,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-02-21","date":"2018-02-03","document_id":"A13-081","mfr_campaign":null,"component":"EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL","summary":"Service bulletin - American Honda is announcing a powertrain warranty extension as a result of a settlement of a class action captioned, Soto et al.v. American Honda Motor Co., Inc., Case No. 3:12-cv-1377-SI (N.D. Cal.). The piston rings on certain cylinders may rotate and align, which can lead to spark plug fouling. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10128889-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10128889-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10128889"},{"nhtsa_id":10099879,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-05-19","date":"2015-11-24","document_id":"A13-081","mfr_campaign":null,"component":"ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"\"SERVICE BULLETIN - AMERICAN HONDA IS ANNOUNCING A POWERTRAIN WARRANTY EXTENSION AS A RESULT OF A SETTLEMENT OF A CLASS ACTION CAPTIONED, SOTO ET AL.V. AMERICAN HONDA MOTOR CO., INC., CASE NO. 3:12-CV-1377-SI (N.D. CAL.). THE PISTON RINGS ON CERTAIN CYLINDERS MAY ROTATE AND ALIGN, WHICH CAN LEAD TO SPARK PLUG FOULING. THIS CAN SET DTCS P0301 NO. 1 CYLINDER MISFIRE DETECTED, P0302 NO. 2 CYLINDER MISFIRE DETECTED, P0303 NO. 3 CYLINDER MISFIRE DETECTED, P0304 NO. 4 CYLINDER MISFIRE DETECTED, AND CAUSE THE MIL TO COME ON.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10099879"},{"nhtsa_id":10099309,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-05-16","date":"2015-09-04","document_id":"WE - A13-081","mfr_campaign":null,"component":"ENGINE","summary":"\"SERVICE BULLETIN - AMERICAN HONDA IS ANNOUNCING A POWERTRAIN WARRANTY EXTENSION AS A RESULT OF A SETTLEMENT OF A CLASS ACTION CAPTIONED, SOTO ET AL.V. AMERICAN HONDA MOTOR CO., INC., CASE NO. 3:12-CV-1377-SI (N.D. CAL.). THE PISTON RINGS ON CERTAIN CYLINDERS MAY ROTATE AND ALIGN, WHICH CAN LEAD TO SPARK PLUG FOULING. THIS CAN SET DTCS P0301 NO. 1 CYLINDER MISFIRE DETECTED, P0302 NO. 2 CYLINDER MISFIRE DETECTED, P0303 NO. 3 CYLINDER MISFIRE DETECTED, P0304 NO. 4 CYLINDER MISFIRE DETECTED, AND CAUSE THE MIL TO COME ON. AMERICAN HONDA IS EXTENDING THE POWERTRAIN WARRANTY TO COVER REPAIRS RELATED TO ENGINE MISFIRE (THAT TRIGGERS DTCS P0301 THROUGH P0304) TO 8 YEARS WITH UNLIMITED MILEAGE FROM THE ORIGINAL DATE OF PURCHASE AND HAS SETTLED A CLASS ACTION BASED ON THIS REMEDIAL MEASURE.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10099309"},{"nhtsa_id":10099273,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-05-16","date":"2015-09-30","document_id":"WE - A13-081","mfr_campaign":null,"component":"ENGINE; POWER TRAIN","summary":"\"SERVICE BULLETIN - AMERICAN HONDA IS ANNOUNCING A POWERTRAIN WARRANTY EXTENSION AS A RESULT OF A SETTLEMENT OF A CLASS ACTION CAPTIONED, SOTO ET AL.V. AMERICAN HONDA MOTOR CO., INC., CASE NO. 3:12-CV-1377-SI (N.D. CAL.). THE PISTON RINGS ON CERTAIN CYLINDERS MAY ROTATE AND ALIGN, WHICH CAN LEAD TO SPARK PLUG FOULING. THIS CAN SET DTCS P0301 NO. 1 CYLINDER MISFIRE DETECTED, P0302 NO. 2 CYLINDER MISFIRE DETECTED, P0303 NO. 3 CYLINDER MISFIRE DETECTED, P0304 NO. 4 CYLINDER MISFIRE DETECTED, AND CAUSE THE MIL TO COME ON.\"","document":null,"url":"https://open.wenmarpro.com/bulletins/10099273"}],"url":"https://open.wenmarpro.com/makes/honda/odyssey/2011/bulletins?code=P0303"},"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/honda/odyssey/2011/codes/P0303","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."]}