{"nhtsa_id":10117028,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-09-08","date":"2016-11-17","document_id":"SGI16-51","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"DESCRIPTION OF ISSUE: A potential issue has been identified on a limited number of vehicles listed in the Affected Vehicle Range which may experience Heated Oxygen Sensor (HO2S) - rear early-life failures due to cracks in the sensing element of the sensor assembly. This results in loss of electrical signal from the sensor.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10117028-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10117028-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10117028","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"DISCOVERY","year_from":2016,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"LAND ROVER","model":"LR4","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_land-rover_lr4"]},{"make":"LAND ROVER","model":"RANGE ROVER","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_land-rover_range-rover"]}],"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":[]}