{"nhtsa_id":10078870,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-08-24","date":"2016-05-04","document_id":"PIP-5396","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL","mfr_system":null,"summary":"THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES THE TECHNICIAN WITH INFORMATION ON THE DIAGNOSTIC TROUBLE CODE P0777. IF THE DIAGNOSTIC TROUBLE CODE P0777 IS CURRENT IN THE TRANSMISSION CONTROL MODULE FOLLOW THE CURRENT SERVICE INFORMATION DIAGNOSTICS FOR DTC P0777. WHEN THE DIAGNOSTIC TROUBLE CODE P0777 IS HISTORY IN THE TRANSMISSION CONTROL MODULE DO NOT PERFORM ANY REPAIRS A NEW CALIBRATION WILL BE RELEASED SOON IN SERVICE PROGRAMMING SYSTEM.","document":null,"url":"https://open.wenmarpro.com/bulletins/10078870","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"labels-manuals","name":"Labels and manuals","parent":null}],"codes":["P0777"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2016,"year_to":2016,"match":"base","vehicle_ids":["2016_gmc_sierra"]}],"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":[]}