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    VehiclesUpdated Jan 3, 2026PeterbiltOfficial source

    Peterbilt recall in Canada: Hill Start Assist valve may cause reduced braking

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    In plain language

    This recall affects certain 2021 and 2022 Peterbilt 389, 367, 579, and 567 trucks in Canada. The Hill Start Assist valve assembly could be damaged by contact with the rear axle. This could lead to reduced braking or a loss of rear brakes, increasing the risk of a crash. You can check if your vehicle is included and book a repair using the official notice.

    What to do

    • Check your VIN using the official notice.
    • Contact your dealer or manufacturer to schedule the free repair.

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    Affected products

    Specific affected products are listed in the official notice.

    Why this matters

    Reduced braking or loss of rear brakes could increase crash risk

    Do I have this product?

    This recall applies to specific products. Details are listed in the official notice.

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    Frequently Asked Questions

    Why was this product recalled?

    Reduced braking or loss of rear brakes could increase crash risk

    What should consumers do?

    Check your VIN using the official notice. Contact your dealer or manufacturer to schedule the free repair.

    Where was the product sold?

    This product was sold in Canada. For specific retailers or distribution areas, please check the official recall notice linked on this page.

    Is there a health risk?

    Yes, there may be a health risk. Reduced braking or loss of rear brakes could increase crash risk

    When was this product recalled?

    This product was recalled on June 15, 2021.

    Is the Peterbilt brand affected by this recall?

    Yes, Peterbilt products are affected by this recall. This recall affects certain 2021 and 2022 Peterbilt 389, 367, 579, and 567 trucks in Canada. The Hill Start Assist valve assembly could be damaged by contact with the rear axle. This could lead to reduced braking or a loss of rear brakes, increasing the risk of a crash. You can check if your vehicle is included and book a repair using the official notice.