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Why is my electronic push button four-wheel-drive (4WD) disabled when my ABS module is removed?

April 26, 2017ABS button disabled electronic four-wheel-drive module push removed

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Why is my electronic push button four-wheel-drive (4WD) disabled when my ABS module is removed?

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The ABS module runs a different anti-skid program when the vehicle is in 4WD. Certain vehicles also use information from the ABS module; such as front and rear wheel speeds to operate the “automatic” 4 wheel feature. If the module is removed or completely powered down, the transfer case control unit will disable itself and 4WD.