RecallGuide.ca
    VehiclesUpdated Jan 3, 2026GMC, ChevroletOfficial source

    GMC/Chevrolet recall in Canada: Engine block heater may short circuit

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    In plain language

    This recall affects certain 2017-2019 GMC Sierra HD and Chevrolet Silverado HD vehicles in Canada equipped with a 6.6 L diesel engine and an optional block-heater power cable. A small coolant leak could cause the engine block-heater cable to short circuit while plugged in. This could create a fire risk. Do not use your engine-block heater until the repairs are performed.

    What to do

    • Check your VIN using the official notice.
    • Contact your dealer or manufacturer to schedule the free repair.
    • Do not use your engine-block heater until the repairs are performed.

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    Affected products

    Specific affected products are listed in the official notice.

    Why this matters

    Engine block heater short circuit creates fire 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?

    Engine block heater short circuit creates fire risk

    What should consumers do?

    Check your VIN using the official notice. Contact your dealer or manufacturer to schedule the free repair. Do not use your engine-block heater until the repairs are performed.

    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. Engine block heater short circuit creates fire risk

    When was this product recalled?

    This product was recalled on June 15, 2021.

    Is the GMC, Chevrolet brand affected by this recall?

    Yes, GMC, Chevrolet products are affected by this recall. This recall affects certain 2017-2019 GMC Sierra HD and Chevrolet Silverado HD vehicles in Canada equipped with a 6.6 L diesel engine and an optional block-heater power cable. A small coolant leak could cause the engine block-heater cable to short circuit while plugged in. This could create a fire risk. Do not use your engine-block heater until the repairs are performed.