{"nhtsa_id":10057312,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2015-05-14","date":"2015-01-26","document_id":"15TS-1","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"DETROIT: INFORMATION ON PLATFORM ENGINE EXPERIENCING GHG14DD CODES. THESE CODES ARE CAUSED BY A MECHANICAL ISSUE WITH THE ENGINE. *LJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10057312","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"DETROIT","model":"DETROIT","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}