{"vehicle":{"id":"2017_ram_promaster-city","year":2017,"make":"Ram","model":"Promaster City"},"code":"U0402","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":10121750,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-03","date":"2017-09-20","document_id":"9003785","mfr_campaign":null,"component":"POWER TRAIN","summary":"Transmission If are working on a vehicle with a transmission concern that has DTC U0402 please call Jason LeBeau at (248) 613-7488 prior to working on the unit. If Jason cannot be reached within 15 minutes proceed with the repair.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10121750-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10121750-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10121750"}],"url":"https://open.wenmarpro.com/makes/ram/promaster-city/2017/bulletins?code=U0402"},"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/U0402","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."]}