This is a very common problem on the early 2000 GMC Trucks. It affects the Tahoe, Suburban, Yukon, Silverado, Sierra, Bravado, Jimmy, Blazer, Sonoma, S10 and any other GM Vehicle that has the Kelsey Hayes 325 ABS Module.

These ABS Modules need to be rebuilt for the following issues.
ABS PUMP IS ALWAYS RUNNING
RELAY CODES
ABS/BRAKE LIGHT ON OR INTERMITTENT

If you have any of those issues here is a link to our repair service. We have a 24 hour turnaround time and a Lifetime Warranty.
https://www.automotivecircuitsolution...

You can drive the truck with it removed you just need to cover the ABS Pump to protect it from the elements.

Caution
With The ABS Module removed you will not have ABS or Traction control so Drive with caution. We are not responsible for any Accident or injuries that may occur with the ABS Module removed. Drive at your own risk only if you have to.