{"nhtsa_id":10055399,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2014-05-17","date":"2014-03-01","document_id":"PIE-0292","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"GM: MALFUNCTION INDICATOR LAMP INDICATED DTC P055B AND P055C. OBTAIN OIL PRESSURE READING CAM COVER SENSOR WITH MDI TOOL. COLLECT INFORMATION PRIOR TO MAKING ANY REPAIR ATTEMPTS. *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10055399","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P055B","P055C"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"IMPALA","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_chevrolet_impala"]},{"make":"CHEVROLET","model":"MALIBU","year_from":2014,"year_to":2014,"match":"exact","vehicle_ids":["2014_chevrolet_malibu"]}],"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":[]}