{"nhtsa_id":10199729,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-03","date":"2021-07-12","document_id":"SSPC6a","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT","mfr_system":null,"summary":"SSPC6 - 2021 CX-5 and CX-9 TELEMATICS COMMUNICATIONS UNIT (TCU) CONCERN: On certain subject 2021 MY CX-5 & CX-9 vehicles, the electronic control unit (ECU) may not enter the power-saving mode under certain conditions, and a dark current may continue to flow even after the engine is turned off. If the vehicle is left unused in this condition over several days, the battery may drain and cause a no-start issue. This is due to the inappropriate software of the Telematics Communication Unit (TCU). To eliminate this concern, the Telematics Communication Unit (TCU) software has been modified.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10199729-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10199729-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10199729","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MAZDA","model":"CX-5","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_mazda_cx-5"]},{"make":"MAZDA","model":"CX-9","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_mazda_cx-9"]}],"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":[]}