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Daimler Trucks North - Modulator valve corrosion may cause brake pull

Official notice

10 Sept 2026

Last checked

14 Oct 2026

HighNHTSA

An official NHTSA notice concerns Daimler Trucks North - Modulator valve corrosion may cause brake pull. The official notice reports a defect involving the brakes. This could increase the risk of a crash. Published 2026-09-11.

What to do now

Arrange a free repair and replacement at an authorised dealer as directed in the official notice. Read the official NHTSA notice for the full instructions.

Units affected

2,404

Recall number

F1039

Official notice

2026-09-11

The hazard

The official notice reports a defect involving the brakes. This could increase the risk of a crash.

How to check if you're affected

Compare the VIN on your vehicle against the official list. If your VIN is listed, follow the official notice.

Years

2020-2023

Models

FREIGHTLINER CASCADIA AND 2022 WESTERN STAR 49X

Recall Numbers

F1039

Campaign Numbers

26V583

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Affected products

Product 1

Daimler Trucks North America, LLC — Modulator Valve Corrosion May Cause Brake Pull

Units affected

2,404

Risk / hazard

The official notice reports a defect involving the brakes. This could increase the risk of a crash.

Where it was sold

The source does not list specific retailers. See the official notice for where affected products were sold.

Location 1

US · United States

Affected area 1

US · United States

Company & contacts

Manufacturer

Not provided

Phone

Not provided

Brand: Daimler Trucks North. Contact: Daimler trucks north america, llc.

Source & status

Source

Tier

official

Category

VEHICLES

Classification

Type D

App estimate

high

Recall details

Recall number

F1039

Campaign number

26V583

Units affected

2,404

Classification

Type D

Source tier

official

Documents, notices & source

See the official notice and source documents for full details.

View full official notice
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