Peterbilt · Canada · High
Peterbilt 567, 579: Suspension
Affects Peterbilt 567, 579 · 2013 — about 24 vehicles.
The hazard
On certain trucks equipped with an air suspension dump valve option, a software error could cause the rear suspension to reinflate without warning when the operator turns the key to the "off" position. The unexpected re-inflation of the suspension could result in physical injury to a person near the rear suspension. Correction: Dealers will reprogram vehicles with updated 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