{"nhtsa_id":623675,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-29","date":"2001-07-11","document_id":"071101","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"INFORMATION REGARDING ONSTAR ANTENNA MISSING ON THE 2002 CHEVROLET AVALANCHE, A DOUBLE INSPECTION PROCEDURE HAS BEEN IMPLEMENTED WITHIN PROCESS TO ASSURE THE THE PART IS IN FACT PRESENT IN THE LOOSE PATRS BAG. NLM","document":null,"url":"https://open.wenmarpro.com/bulletins/623675","components":[],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"AVALANCHE","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_chevrolet_avalanche"]}],"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":[]}