The issue
Issue: On certain trucks, the brake modulator valves could corrode. As a result, the brakes on one wheel could fully apply when the roll stability control system activates. If this happens, there could be a brake pull that can cause the truck to change direction. Note: This problem does not affect the service brakes. Safety Risk: A brake pull that causes the vehicle to change direction suddenly can increase the risk of crash. Corrective Actions: Daimler Truck North America (DTNA) will notify owners by mail and instruct you to take your truck to a DTNA authorized service facility to inspect, and if necessary, replace the brake modulator valves.
Description (français)
Problème : Sur certains camions, les soupapes modulatrices de freinage pourraient se corroder. Par conséquent, lorsque système du contrôle de stabilité en roulis est activé et que le système doit freiner, les freins d'une seule roue pourraient s'appliquer complètement. Si cela se produisait, il pourrait y avoir un déséquilibre au freinage qui pourrait faire changer le camion de direction. Remarque : Ce problème ne concerne pas les freins de service. Risques pour la sécurité : Un déséquilibre au freinage qui fait que le véhicule change soudainement de direction peut augmenter les risques d'accident. Mesures correctives : Daimler Truck North America (DTNA) doit aviser les propriétaires par la poste et leur demander d'amener leur camion à un centre de service autorisé de DTNA pour faire inspecter et, au besoin, remplacer les soupapes modulatrices de freinage.
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| Freightliner Cascadia | 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| Western Star 47X | 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| Western Star 49X | 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Freightliner Cascadia | 2017 | 9 | 20 |
| Freightliner Cascadia | 2018 | 11 | 26 |
| Freightliner Cascadia | 2019 | 29 | 29 |
| Freightliner Cascadia | 2020 | 26 | 21 |
| Freightliner Cascadia | 2021 | 16 | 21 |
| Freightliner Cascadia | 2022 | 13 | 19 |
| Freightliner Cascadia | 2023 | 12 | 7 |
| Western Star 47X | 2017 | 0 | 0 |
| Western Star 47X | 2018 | 0 | 0 |
| Western Star 47X | 2019 | 0 | 0 |
| Western Star 47X | 2020 | 0 | 1 |
| Western Star 47X | 2021 | 0 | 9 |
| Western Star 47X | 2022 | 0 | 10 |
| Western Star 47X | 2023 | 1 | 12 |
| Western Star 49X | 2017 | 0 | 0 |
| Western Star 49X | 2018 | 0 | 0 |
| Western Star 49X | 2019 | 0 | 0 |
| Western Star 49X | 2020 | 0 | 10 |
| Western Star 49X | 2021 | 0 | 13 |
| Western Star 49X | 2022 | 1 | 17 |
| Western Star 49X | 2023 | 0 | 14 |