The defect
Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2023 Freightliner Cascadia, 2020-2023 Western Star 49X, 2021-2023 Western Star 47X, and 2022 Freightliner 114SD vehicles. The brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during braking initiated by Electronic Stability Control (ESC) or Roll Stability Control (RSC).
The risk
Brakes that pull to one side may cause a sudden change in vehicle direction, increasing the risk of a crash.
The remedy
Dealers will inspect and replace the front brake modulator valves, as necessary. Some vehicles will have a software update which will alert driver when a replacement is required. All repairs will be performed free of charge. Owner notification letters were mailed beginning October 13, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL966.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Freightliner 114SD | 2022 |
| Freightliner Cascadia | 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| Western Star 47X | 2021, 2022, 2023 |
| Western Star 49X | 2020, 2021, 2022, 2023 |
Components: ELECTRONIC STABILITY CONTROL (ESC) | SERVICE BRAKES, AIR:ANTILOCK:MODULATOR
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 114SD | 2022 | 2 | 9 |
| 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 | 2021 | 0 | 9 |
| Western Star 47X | 2022 | 0 | 10 |
| Western Star 47X | 2023 | 1 | 12 |
| Western Star 49X | 2020 | 0 | 10 |
| Western Star 49X | 2021 | 0 | 13 |
| Western Star 49X | 2022 | 1 | 17 |
| Western Star 49X | 2023 | 0 | 14 |
Other electronic stability control (esc) recalls in 2023
10 of the 894 recall campaigns reported to NHTSA in 2023 concerned the electronic stability control (esc); Daimler Trucks North America, LLC filed 166 campaigns in all.
| 23V807000 1 Dec 2023 | Mercedes-Benz USA, LLC |
| 23V801000 28 Nov 2023 | Ford Motor Company |
| 23V691000 13 Oct 2023 | Mack Trucks, Inc. |
| 23V689000 13 Oct 2023 | Volvo Trucks North America |
| 23V461000 30 Jun 2023 | Mobility Ventures LLC |
| 23V453000 28 Jun 2023 | Daimler Trucks North America, LLC |
| 23V360000 19 May 2023 | Mercedes-Benz USA, LLC |
| 23V299000 26 Apr 2023 | Daimler Trucks North America, LLC |
NHTSA recalls (public domain) · all recalls of 2023