{"nhtsa_id":10089571,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-01-26","date":"2015-11-05","document_id":"15663","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:WIRING","mfr_system":null,"summary":"15663 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO RELOCATE A WIRE CIRCUIT WITHIN THE ONSTAR CONNECTOR ON CERTAIN VEHICLES. THESE VEHICLES LACK A GROUND IN THE MICROPHONE RETURN PATH, WHICH RESULTS IN THE VOICE RECOGNITION BECOMING INOPERABLE WHEN THE VEHICLE IS IN RETAINED ACCESSORY (RAP) OR ACCESSORY POWER MODE. IN ADDITION, THE HANDS-FREE VOICE QUALITY CAN BE DEGRADED. THE ONSTAR FUNCTIONS ARE NOT IMPACTED BY THIS CONDITION.","document":null,"url":"https://open.wenmarpro.com/bulletins/10089571","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"wiring","name":"Wiring and fuses","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCLAVE","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_buick_enclave"]},{"make":"CHEVROLET","model":"TRAVERSE","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_chevrolet_traverse"]},{"make":"GMC","model":"ACADIA","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_gmc_acadia"]}],"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":[]}