Pierce Freightliner: Electrical

Affects Pierce Freightliner · 2021–2023 — about 14 vehicles.

The hazard

Issue: On certain fire trucks equipped with a Weldon vehicle multiplex system, a software problem could cause the power distribution unit not to shut off if there is a short circuit or a wiring problem. As a result, the unit and/or wiring could overheat and melt. Safety Risk: A power distribution unit and/or wiring that overheats and melts could create the risk of a fire. Corrective Actions: Pierce will notify owners by mail and advise you to contact Weldon to update the Weldon power distribution unit software.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational