{"nhtsa_id":10190334,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-15","date":"2017-11-01","document_id":"17-NA-340","mfr_campaign":null,"replaces":null,"component":"STEERING:HYDRAULIC POWER ASSIST SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"Service Power Steering Message Displayed with a Loss of Power Steering Assist and DTC C056E-5A Set Condition Some customers may comment on a Service Power Steering Message displayed with a loss of power steering assist. During diagnosis a technician may find DTC C056E-5A set or stored in the history. Cause This may be due to the Smooth Road Shake Compensation algorithm in the power steering module. Correction Reprogram the power steering control module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10190334-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10190334-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190334","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"steering","name":"Steering","parent":null},{"id":"power-steering","name":"Power steering","parent":"steering"}],"codes":["C056E"],"topics":[],"vehicles":[{"make":"BUICK","model":"ENVISION","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_buick_envision","2018_buick_envision"]}],"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":[]}