{"nhtsa_id":615095,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-12-27","date":"1998-07-01","document_id":"666507A","mfr_campaign":null,"replaces":"666507","component":"VEHICLE SPEED CONTROL:CRUISE CONTROL","mfr_system":null,"summary":"EXPERIENCING ENGINE SURGE, KNOCK, ROUGH IDLE, STALL, HARD START, AND DIAGNOSTIC TROUBLE CODE P1406. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/615095","components":[{"id":"speed-control","name":"Throttle and cruise control","parent":null}],"codes":["P1406"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"S SERIES","year_from":1995,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"T SERIES","year_from":1995,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"S SERIES","year_from":1995,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"T SERIES","year_from":1995,"year_to":1995,"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":[]}