{"nhtsa_id":11030750,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-04-06","date":"2026-03-02","document_id":"SD-24-2936_002","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES","mfr_system":"Pneumatic System: Electronic Air Governor","summary":"Service Data - Bendix® Standalone Electronic Air Control (SA-EAC) System The Standalone Electronic Air Control (SA-EAC) system is a set of hardware and software components required for electronic control of the governor on a Bendix AD-HFi® Intelligent Air Dryer. The Electronic Control Unit (ECU) contains a set of software functions which control the solenoid governor, which in turn controls the loaded state of the air compressor and the purge cycle of the AD-HFi dryer cartridge. The SA-EAC system adds features supporting the AD-HFi air dryer including J1939 messaging, Diagnostic Trouble Codes (DTCs), advanced functionality, and governor control.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030750-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11030750-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11030750","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BENDIX","model":"BENDIX","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"BENDIX","model":"SERVICE BRAKES AIR","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":[]}