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September 9, 2026 Service bulletin

This bulletin provides a procedure to update webpage and MQTT certificates in the Telematics Control Unit...

Pierce technical service bulletin SB_795 for 2002-2026 Pierce Arrow XT, 2002-2020 Pierce Dash and 2002-2026 Pierce Impel and others.

Bulletin number
SB_795
Component
Unknown or other
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.

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