{"nhtsa_id":10032366,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2010-03-12","date":"2009-07-10","document_id":"PI-0686","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM:SOFTWARE","mfr_system":null,"summary":"MACK TRUCK: PTO FUNCTION INOPERABLE. THE PTO ON CERTAIN CHU, CXU, GU AND TD MODEL CHASSIS WILL NOT FUNCTION. THE CAUSE IS DUE TO A SOFTWARE ISSUE IN THE VEHICLE ELECTRONIC CONTROL UNIT (VECU) AS WELL AS SOME INCORRECT PARAMETER SETTINGS. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10032366","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"software","name":"Software","parent":"electrical"}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHU","year_from":2008,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2008,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"GU","year_from":2008,"year_to":2008,"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":[]}