{"vehicle":{"id":"2017_ram_promaster-city","year":2017,"make":"Ram","model":"Promaster City"},"code":"P0128","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":2,"bulletins":[{"nhtsa_id":10224759,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-24","date":"2017-08-25","document_id":"1806417","mfr_campaign":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM; POWER TRAIN","summary":"Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following DTCs has been set:U1424 - Implausible Engine Torque Signal Received. U0402 - Implausible Data Received From TCM. P1DD2-00 - Torque Request Signal From TCM Denied. P0128 - Thermostat Rationality. Enhancement also included:Improved calibrations for catalyst overtemp protection.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10224759-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10224759-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10224759"},{"nhtsa_id":10121877,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2016-11-19","document_id":"18-121-16","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)","summary":"Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set. P0128 - Thermostat Rationality.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121877-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10121877-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121877"}],"url":"https://open.wenmarpro.com/makes/ram/promaster-city/2017/bulletins?code=P0128"},"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/ram/promaster-city/2017/codes/P0128","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."]}