{"nhtsa_id":11038362,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-10-08","date":"2026-09-09","document_id":"SB_795","mfr_campaign":null,"replaces":null,"component":"UNKNOWN OR OTHER","mfr_system":null,"summary":"This bulletin provides a procedure to update webpage and MQTT certificates in the Telematics Control Unit (TCU) devices of Pierce custom chassis apparatus equipped with Command Zone and with TCU software versions 6.0.8, 6.0.13, 7.4.3, or 8.0.0. Apparatus with TCU software versions 7.0.1, 7.0.3, 7.2.0, and 7.4.2 should utilize SB_796 “TCU v 7.4.3 Update” for recommended software updates.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038362-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11038362-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11038362","components":[],"codes":[],"topics":[],"vehicles":[{"make":"FRONTLINE","model":"IMPEL","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"FRONTLINE","model":"VELOCITY","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"75' ALUMINUM LADDER","year_from":2003,"year_to":2009,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"ARROW","year_from":2002,"year_to":2008,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"ARROW","year_from":2013,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"ARROW XT","year_from":2002,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"COMMERCIAL","year_from":2002,"year_to":2013,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"COMMERCIAL","year_from":2015,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"COMMERCIAL","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"CONTENDER BIG BLOCK","year_from":2010,"year_to":2012,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"CUSTOM CHASSIS","year_from":2002,"year_to":2006,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"CUSTOM CONTENDER","year_from":2002,"year_to":2011,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"DASH","year_from":2002,"year_to":2020,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"DASH CF","year_from":2007,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"ENFORCER","year_from":2002,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"F550","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"FREIGHTLINER","year_from":2016,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"FREIGHTLINER","year_from":2020,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"IMPEL","year_from":2002,"year_to":2026,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"INTERNATIONAL","year_from":2020,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"KENWORTH","year_from":2003,"year_to":2003,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"LADDER AND PLATFORM","year_from":2016,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"LANCE","year_from":2002,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"M2-106","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"M2-112","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"PIERCE","year_from":2002,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"PIERCE","year_from":2009,"year_to":2010,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"PUC PUMPER","year_from":2003,"year_to":2009,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"PUMPER","year_from":2015,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"PUMPER","year_from":2019,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"QUANTUM","year_from":2002,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"REAR MOUNT PUMPER","year_from":2003,"year_to":2009,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"SABER","year_from":2002,"year_to":2025,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"TANKER","year_from":2015,"year_to":2016,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"TANKER","year_from":2019,"year_to":2019,"match":null,"vehicle_ids":[]},{"make":"PIERCE","model":"VELOCITY","year_from":2002,"year_to":2026,"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":[]}