AWD disable light

Tiny
DOOFUS
  • MEMBER
  • 2004 BUICK RENDEZVOUS
Six cylinder all wheel drive automatic 58,000 miles.

My dash is telling me "AWD disable". I checked on my gravel driveway it is front wheel drive only (only the front wheels are spinning).

What would cause this and how can I fix it? I recently put new brake pads and rotors on so maybe that has something to do with it. I have a scanner but this is not an error code or check engine light code.

Does the AWD system use the same sensors to detect spin as the ABS brake system? The ABS seems to be working okay.

Thanks,

Doofus (I know just enough to be dangerous)
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Tuesday, July 8th, 2008 AT 11:48 AM

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Tiny
DENNYP
  • EXPERT
It uses wheel speed sensors to determine wheel slippage. It could be disabled from a difference in tire pressures, or it could be a fault in the rear end pump assembly.
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Monday, July 28th, 2008 AT 8:34 PM

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