{"nhtsa_id":10135428,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-05-07","date":"2016-07-15","document_id":"GCUS-3-620","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM","mfr_system":null,"summary":"27660 - Service Update. The engine may stall, followed by a Driver Information Center (DIC) message ?Action Required-Engine Not Available?. This will also cause diagnostic trouble codes P0AB9 (Hybrid/EV System Performance) and P0AC4 (Hybrid/EV Powertrain Control Module Requested MIL Illumination) to set. The engine will not start until the key is cycled. Dealers will reprogram the drive motor power inverter module.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10135428-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10135428-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10135428","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":"transmission-control-module","name":"Transmission control module","parent":"powertrain"}],"codes":["P0AB9","P0AC4"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"VOLT","year_from":2016,"year_to":2016,"match":"exact","vehicle_ids":["2016_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":[]}