| 21V-741 | Sep 23, 2021 | Under-body shut-off solenoid connector that connects to the CNG fuel tank may corrode, which could result in an electrical short | Electrical system | 87 | Part replacement |
| 20V-690 | Nov 9, 2020 | Driver may be able to release the park brake and shift the transmission out of Park and into a drive gear while the wheelchair lift is deployed | Adaptive equipment | 615 | Repair or modification |
| 19V-712 | Oct 4, 2019 | Seats may have been manufactured with styrene blocks that may not provide sufficient impact absorption in certain specific areas around the steel… | Seats | 53,528 | Repair or modification |
| 19V-170 | Mar 5, 2019 | Wheelchair lift can be operated without the parking brake being engaged after they key is turned off | Adaptive equipment | 410 | Repair or modification |
| 18V-698 | Oct 5, 2018 | Rear emergency exit door may not open wide enough to meet the unobstructed emergency egress area requirements | Structure | 701 | Repair or modification |
| 18V-301 | May 8, 2018 | Wheelchair lift may be allowed to operate when the vehicle is in neutral or drive, due to missing relay in the interlock wiring harness | Adaptive equipment | 1,688 | Inspection |
| 18V-254 | Apr 19, 2018 | Wall mounting bracket may crack, causing the seat to not remain secured in place in the event of a crash | Seats | 24 | Repair or modification |
| 18V-253 | Apr 19, 2018 | Wall mounting bracket may crack, causing the seat to not remain secured in place in the event of a crash | Seats | 23,102 | Repair or modification |
| 18V-193 | Mar 26, 2018 | Wall mounting bracket may crack, which may cause the seat to not remain secured in place in the event of a crash | Seats | 6 | Repair or modification |
| 18V-192 | Mar 26, 2018 | Wall mounting bracket may crack, which may cause the seat to not remain secured in place in the event of a crash | Seats | 6,606 | Repair or modification |
| 18V-158 | Mar 7, 2018 | Wheelchair lift may be operated while the vehicle is in Neutral or Drive | Adaptive equipment | 14 | Inspection |
| 18V-157 | Mar 7, 2018 | Wheelchair lift may be operated while the vehicle is in Neutral or Drive | Adaptive equipment | 3,304 | Inspection |
| 18V-083 | Jan 30, 2018 | These extinguishers may become clogged, preventing the extinguisher from discharging as expected or requiring excessive force to activate the… | Equipment | 606 | Part replacement |
| 17V-729 | Nov 17, 2017 | Under load, the seat belt buckle mount rod can fracture | Seat belts | 51 | Part replacement |
| 17V-312 | May 11, 2017 | Occupant seats may have been installed without reinforcement brackets being used underneath the seat rail as intended | Seats | 22 | Repair or modification |
| 16V-629 | Aug 31, 2016 | Affected lifts are equipped with folding link arms that may have pivot holes that are too big, allowing the bearings to move out of position | Adaptive equipment | 958 | Part replacement |
| 16V-103 | Feb 23, 2016 | Affected school buses have a body control module that may fail resulting in intermittent or total loss of exterior lighting or windshield wiper… | Lighting | 2,323 | Repair or modification |
| 16V-080 | Feb 10, 2016 | Affected stop arms have a reflective decal that may peel loose from the stop arm | Other or unknown | 878 | Part replacement |
| 15V-843 | Dec 15, 2015 | In the event of a severe rear-end collision, the seats may tilt rearward | Seats | 508 | Repair or modification |
| 15V-754 | Nov 13, 2015 | During relocation of the alternator, the wiring harness may have been rerouted incorrectly resulting in the power cable being strained | Electrical system | 27 | Repair or modification |