{"nhtsa_id":10017087,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-10-24","date":null,"document_id":"3448","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"DIAGNOSTIC TROUBLE CODE P2138 - INFORMATION SUPPLEMENT FOR BULLETIN 05-01-38-006. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10017087","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P2138"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COBALT","year_from":2005,"year_to":2005,"match":"exact","vehicle_ids":["2005_chevrolet_cobalt"]}],"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":[]}