{"nhtsa_id":10089266,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-01-20","date":"2014-11-11","document_id":"TSB120158-111014","mfr_campaign":null,"replaces":null,"component":"EXTERIOR LIGHTING:BRAKE LIGHTS; ENGINE","mfr_system":null,"summary":"THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE VERIFICATION AND RESOLUTION OF FAULT CODE 4293 OR 4294 BECOMING ACTIVE WITH SPECIFIC CALIBRATIONS. THESE FAULTS MAY BECOME ACTIVE IF THE VEHICLE IS NOT EQUIPPED WITH THE ENGINE BRAKE LAMP FEATURE.","document":null,"url":"https://open.wenmarpro.com/bulletins/10089266","components":[{"id":"engine","name":"Engine","parent":null},{"id":"lighting","name":"Lighting","parent":null},{"id":"brake-light","name":"Brake lights","parent":"lighting"}],"codes":[],"topics":[],"vehicles":[{"make":"CUMMINS","model":"ISB6.7","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISC8.3","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"CUMMINS","model":"ISL9","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":[]}