{"nhtsa_id":10191026,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-29","date":"2014-01-01","document_id":"PI1162","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM","mfr_system":null,"summary":"Mobile Telephone Microphone Poor Performance Condition/Concern Some customers may comment when using the Bluetooth® phone system in their vehicle, the person on the receiving end of a mobile telephone call states the audio sounds muffled, distorted or has static. The foam patch on the back of the headliner at the microphone mounting area may have come loose. This foam is a sound barrier for the back side of the microphone. If the patch is detached, it allows unwanted noise to interfere with the microphone operation when making a phone call.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10191026-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2014/MC-10191026-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10191026","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ATS","year_from":2013,"year_to":2014,"match":"exact","vehicle_ids":["2013_cadillac_ats","2014_cadillac_ats"]},{"make":"CADILLAC","model":"CTS","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_cadillac_cts"]}],"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":[]}