2020-2023 Freightliner Cascadia, 2022 Western Star 49X recall: Modulator Valve Corrosion May Cause Brake Pull
Report received by NHTSA: Sept. 9, 2026.
Built by the Tribune's code from NHTSA's official records. No AI wrote this page. Updated Nov. 4, 2026.
- What's recalled
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.
- Who's affected
2,404 vehicles potentially affected, according to NHTSA. Models: 2020-2023 Freightliner Cascadia, 2022 Western Star 49X.
- Compared with
Daimler Trucks North America, LLC has 20 NHTSA recalls in 2026 so far, compared with 15 in all of 2025.
Counted by the Tribune from NHTSA's records since Nov. 1, 2016.
- Before this
303 earlier NHTSA recalls by Daimler Trucks North America, LLC since Nov. 1, 2016; the 5 most recent:
- Aug. 24, 2026 2027 Thomas Built Buses Saf-T-Liner EFX2, 2027 Thomas Built Buses Saf-T-Liner HDX2 recall: Insufficient Joint Strength and Missing Seat Belt Anchor/FMVSS 210, 221
- Aug. 10, 2026 2024-2027 Thomas Built Buses Saf-T-Liner C2 recall: Fuel Tank Cage Incompatible with Fuel System/FMVSS 301
- Aug. 10, 2026 2024-2027 Thomas Built Buses Saf-T-Liner C2 recall: Fuel Tank Cage Incompatible with Fuel System/FMVSS 301
- July 22, 2026 2026-2027 Fccc S2C, 2026-2027 Fccc S2RV, 2026-2027 Freightliner Business Class M2 and 1 more model recall: Insufficient Illumination from Low Beam Headlights
- June 26, 2026 2026-2027 Thomas Built Buses Saf-T-Liner HDX2 recall: Entrance Door May Fail to Open or Close
Counted by the Tribune from NHTSA's records since Nov. 1, 2016.
- What to do and when
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 record, word for word
- Check it yourself
NHTSA's VIN lookup shows whether a specific vehicle has an open recall.
Models in this recall
- Freightliner Cascadia 2020-2023
- Western Star 49X 2022
The record as NHTSA published it
| NHTSA recall number | 26V583000 |
|---|---|
| Manufacturer | Daimler Trucks North America, LLC |
| Recall type | Vehicle |
| Component | ELECTRONIC STABILITY CONTROL (ESC) |
| Report received by NHTSA | Sept. 9, 2026 |
| Potentially affected | 2,404 vehicles |
| Manufacturer's recall number | F1039 |
| “Do not drive” warning | No |
| Fire risk when parked (“park outside”) | No |
Source: National Highway Traffic Safety Administration recall records (public domain). NHTSA's record