{"vehicle":{"id":"2016_honda_accord","year":2016,"make":"Honda","model":"Accord"},"code":"P1890","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":4,"bulletins":[{"nhtsa_id":10086281,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-12-14","date":"2016-09-02","document_id":"PUD - 2015-16 AC","mfr_campaign":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"CUSTOMER LETTER - UNDER CERTAIN DRIVING CONDITIONS, THE SOFTWARE IN THE PCM CAUSES A LOW PRESSURE PROBLEM IN THE CVT. THIS MAY ALLOW THE BELT IN THE CVT TO SLIP. IF THE BELT SLIPS, YOU MAY SEE A SURGE IN RPM WHEN DRIVING AT HIGHWAY SPEEDS. IF THE BELT SLIPS LONG ENOUGH, THE TRANSMISSION WILL BE DAMAGED, AND DTC P1890 WILL SET.","document":null,"url":"https://open.wenmarpro.com/bulletins/10086281"},{"nhtsa_id":10086143,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-12-13","date":"2016-09-09","document_id":"A16053","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM","summary":"SERVICE BULLETIN - AN INCORRECT LEARNING VALUE IN THE PCM MAY CAUSE A PRESSURE PROBLEM IN THE CVT UNDER CERTAIN DRIVING CONDITIONS, CAUSING A SURGE IN RPM BECAUSE THE CVT BELT SLIPS AT HIGHWAY SPEEDS AND EVENTUALLY SETTING DTC P1890 (CVT SPEED CONTROL SYSTEM).","document":null,"url":"https://open.wenmarpro.com/bulletins/10086143"},{"nhtsa_id":10084981,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-29","date":"2016-08-03","document_id":"ACA08032016902","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"DEALER MESSAGE - TODAY, AUGUST 3, 2016, AMERICAN HONDA MOTOR, CO., INC. IS ANNOUNCING A PRODUCT UPDATE FOR MODEL YEAR 2015-16 HONDA ACCORD AND CR-V VEHICLES TO ADDRESS INCORRECT CVT OPERATION AND DTC P1890. AN INCORRECT LEARNING VALUE IN THE PCM MAY CAUSE A PRESSURE PROBLEM IN THE CVT UNDER CERTAIN DRIVING CONDITIONS CAUSING A SURGE IN RPM BECAUSE THE CVT BELT SLIPS AT HIGHWAY SPEEDS, AND WILL EVENTUALLY SET DTC P1890 (CVT SPEED CONTROL SYSTEM).","document":null,"url":"https://open.wenmarpro.com/bulletins/10084981"},{"nhtsa_id":10084781,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-25","date":"2016-08-03","document_id":"A16053","mfr_campaign":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"SERVICE BULLETIN - AN INCORRECT LEARNING VALUE IN THE PCM MAY CAUSE A PRESSURE PROBLEM IN THE CVT UNDER CERTAIN DRIVING CONDITIONS, CAUSING A SURGE IN RPM BECAUSE THE CVT BELT SLIPS AT HIGHWAY SPEEDS, EVENTUALLY SETTING DTC P1890 (CVT SPEED CONTROL SYSTEM). DEPENDING ON IF DTC P1890 IS SET OR NOT, UPDATE THE PGM-FI SOFTWARE OR REPLACE THE TRANSMISSION AND UPDATE THE PGM-FI SOFTWARE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10084781"}],"url":"https://open.wenmarpro.com/makes/honda/accord/2016/bulletins?code=P1890"},"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/accord/2016/codes/P1890","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."]}