{"nhtsa_id":10081991,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-10-11","date":"2016-06-03","document_id":"16-NA-181","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION","mfr_system":null,"summary":"THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO UPDATE THE TRANSMISSION ELECTRO-HYDRAULIC CONTROL MODULE (TEHCM) WITH THE LATEST SOFTWARE TO CORRECT A CUSTOMER CONCERN ON REDUCED ACCELERATION WITH NO REDUCED PROPULSION WHEN PUSHING THE ACCELERATOR PEDAL TO THE FLOOR, WITH MESSAGE ON THE DRIVER INFORMATION CENTER (DIC) DUE TO SPECIFIC SHIFT TRANSITIONS, AN INTERMITTENT HYDRAULIC PRESSURE SWITCH SIGNAL DOES NOT ALLOW THE SHIFT TO COMPLETE RESULTING IN PROPULSION WITH NO DTC DUE TO SOFTWARE ANOMALY.","document":null,"url":"https://open.wenmarpro.com/bulletins/10081991","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null},{"id":"automatic-transmission","name":"Automatic transmission","parent":"powertrain"},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"VOLT","year_from":2015,"year_to":2015,"match":"exact","vehicle_ids":["2015_chevrolet_volt"]}],"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":[]}