{"nhtsa_id":10140237,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2016-03-09","document_id":"21-011-16","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"Flash: Transmission Enhancements This bulletin involves reprogramming of the Transmission Control Module (TCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: U0404 - Invalid Data Received From Gear Shift Control Module \"A\". In addition, some customers may experience the following condition: The M on the shifter and Instrument cluster may be blinking.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140237-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10140237-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140237","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["U0404"],"topics":[],"vehicles":[{"make":"JEEP","model":"GRAND CHEROKEE","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_jeep_grand-cherokee"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}