The defect
Proterra Inc., (Proterra) is recalling certain 2015-2018 Catalyst 40 and 35 transit buses. The affected vehicles are equipped with a four point height control system that may cause a load imbalance, overloading the front tires.
The risk
An overloaded front tire may fail unexpectedly, increasing the risk of crash.
The remedy
Proterra will notify owners, and dealers will convert the current four point ride height system into a three point system to prevent the front tires from being overloaded, free of charge. The recall began March 26, 2019. Owners may contact Proterra customer service at 1-864-438-0000.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Proterra Catalyst | 2015, 2016, 2017, 2018 |
Components: SUSPENSION:FRONT | TIRES
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Proterra Catalyst | 2015 | 0 | 4 |
| Proterra Catalyst | 2016 | 0 | 6 |
| Proterra Catalyst | 2017 | 0 | 8 |
| Proterra Catalyst | 2018 | 0 | 9 |
Other tires recalls in 2019
13 of the 880 recall campaigns reported to NHTSA in 2019 concerned the tires; Proterra Inc. filed 9 campaigns in all.
| 19V903000 18 Dec 2019 | Ford Motor Company |
| 19V887000 12 Dec 2019 | Chrysler (FCA US LLC) |
| 19V827000 19 Nov 2019 | Forest River, Inc. |
| 19V770000 28 Oct 2019 | Mazda North American Operations |
| 19V731000 15 Oct 2019 | General Motors LLC |
| 19V595000 13 Aug 2019 | Tiffin Motorhomes, Inc. |
| 19V448000 13 Jun 2019 | Chrysler (FCA US LLC) |
| 19V231000 25 Mar 2019 | Keystone RV Company |
NHTSA recalls (public domain) · all recalls of 2019