{"nhtsa_id":10182102,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-11-04","date":"2020-10-06","document_id":"09-013-20-3663b","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM","mfr_system":null,"summary":"When the Telematics Communication Unit (TCU) has been replaced or reprogrammed and the software is updated to ones shown below, DTC U2050:55-TCU (Activation of remote control not implemented) may be stored in memory with the message “In-Vehicle Network Malfunction” displayed in the multi-information display. • Japan built vehicles: BDGF-67CK2-B or later suffix. • Mexico built vehicles: BDTS-67CK2-A or later suffix. NOTE: The Description for DTC U2050:55-TCU will be added to MGSS. This is caused by a communication error between the TCU, the Connectivity Master Unit (CMU), and the Body Control Module (BCM) when the control software in them are not of the version being ready for activation of connected service. To correct this concern, the control software of the TCU, CMU and BCM have been modified. When you encounter this concern, reprogram (update) the BCM and the CMU to the latest version.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182102-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10182102-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10182102","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"body-control-module","name":"Body control module","parent":"electrical"},{"id":"software","name":"Software","parent":"electrical"}],"codes":["U2050"],"topics":[],"vehicles":[{"make":"MAZDA","model":"MAZDA3","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_mazda_mazda3"]}],"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":[]}