The defect
Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2023 Freightliner Cascadia and 2022 Western Star 49X vehicles previously repaired incorrectly under recall numbers 23V073 or 22V817. The brake modulator valves on the front axle may corrode and cause the vehicle to pull to one 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 replace the brake modulator valves, free of charge. Owner notification letters are expected to be mailed November 8, 2026. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is F1039. Vehicles repaired under the prior recalls will need the new repair completed.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Freightliner Cascadia | 2020, 2021, 2022, 2023 |
| Western Star 49X | 2022 |
Components: ELECTRONIC STABILITY CONTROL (ESC) | SERVICE BRAKES, AIR:ANTILOCK
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 | 2020 | 26 | 21 |
| Freightliner Cascadia | 2021 | 16 | 21 |
| Freightliner Cascadia | 2022 | 13 | 19 |
| Freightliner Cascadia | 2023 | 12 | 7 |
| Western Star 49X | 2022 | 1 | 17 |
Other service brakes, air recalls in 2026
11 of the 666 recall campaigns reported to NHTSA in 2026 concerned the service brakes, air; Daimler Trucks North America, LLC filed 166 campaigns in all.
| 26V567000 1 Sept 2026 | PACCAR Incorporated |
| 26V506000 4 Aug 2026 | Wabash National Corporation |
| 26V501000 30 Jul 2026 | Autocar, LLC |
| 26V442000 8 Jul 2026 | PACCAR Incorporated |
| 26V382000 11 Jun 2026 | International Motors, LLC |
| 26V355000 2 Jun 2026 | Nova Bus (US) Inc. |
| 26V294000 11 May 2026 | International Motors, LLC |
| 26V261000 23 Apr 2026 | Mack Trucks, Inc. |
NHTSA recalls (public domain) · all recalls of 2026