{"nhtsa_id":11012163,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-01-02","date":"2024-12-03","document_id":"S4309 202412","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Mack Trucks has identified that certain GR model trucks may encounter an issue with the EECU during a shutdown event. If this occurs, the EECU could become corrupted, leading to multiple fault codes, engine derate, and, in some cases, preventing the truck from starting. For vehicles within the affected population, please follow the instructions below to program the EECU.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11012163-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2024/MC-11012163-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11012163","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"GRANITE (GR)","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_mack_granite"]}],"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":[]}