{"nhtsa_id":10158793,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-22","date":"2019-03-26","document_id":"TSB190039-032620","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"This Technical Service Bulletin describes the verification and resolution of poor drivetrain performance during warmup mode when equipped with Eaton? Automated Manual Transmission. Engine misfire fault codes and/or poor transmission shift performance during warmup mode, transmission stuck in starting gear and/or not shifting gears, and/or transmission fault code 74 calibration errors can be caused by engine calibration errors during engine warm up.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10158793-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10158793-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10158793","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISX12","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}