{"nhtsa_id":10015151,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-06-22","date":null,"document_id":"051","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"DETROIT DIESEL MBE 926 ENGINES WITH ALLISON AUTOMATIC TRANSMISSIONS WILL REQUIRE THE PLD AND VEHICLE CONTROL UNITS TO BE REPROGRAMMED TO CURRENT MAINFRAME CALIBRATIONS TO IMPROVE VEHICLE ACCELERATION AND DRIVABILITY THAT COULD LEAD TO CUSTOMER DISSATISFACTION. DETROIT DIESEL MODIFICATION 05M-1. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10015151","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN","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":[]}