computer on 2000 GMC 3500 Pickup

The power steering and power brakes both stopped working at the same time on my 2000 GMC Sierra 3500. The both have proper fluid levels and all looks good. Could there be a computer problem?

Asked by for the 2000 GMC 3500 Pickup
I think you have a power steering problem affecting the steering and the brake power boost. Tow it to a GM specialist for help,
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