{"nhtsa_id":10160644,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-06-03","date":"2019-04-08","document_id":"PIT5670","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"This Preliminary information communicates that a vehicle may come to the dealer with a \"service driver assist system\" message. The technician may find codes B101D and or B390C. If this condition is found the technician is instructed to check the Long Range Radar Module (LRRM) bracket for being loose. Tech is instructed to attempt to move the LRRM by hand and if movement is felt he is instructed to adjust the LRRM mounting bracket, properly tighten the bolts and perform a LRRM learn procedure.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10160644-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10160644-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10160644","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["B101D","B390C"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"BLAZER","year_from":2019,"year_to":2019,"match":"exact","vehicle_ids":["2019_chevrolet_blazer"]}],"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":[]}