Certain 2019 Chevy Blazer vehicles may not have the snow/ice mode calibration which results in the selection of snow/ice mode (knob selector) not having a change in the accelerator pedal response.

Reprogramming with the latest software will resolve the issue. Make sure that the programming tool is equipped with the latest software and is securely connected to the data link connector. Maintain stable battery voltage using a GM authorized programming support tool, or connect a fully charged 12V jumper or booster pack (disconnected from the AC voltage supply).

Do Not connect a battery charger. Turn off or disable systems that may put a load on the battery such as lights, radio, HVAC, etc.

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