C0040-06

shinzon

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Feb 4, 2025
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Buick Ownership
2011 Buick regal
Rabbit hole time. I have a abs and stabilitrak service like on my 2011 Buick regal

When I bought a code scanner to check it out I saw code history for everything under the sun.

The part that stumped me is that I had code history for low voltage on every abs sensor. Possible abs module issue? Chasing ghosts?

Mainly I'm wondering if I need a wheel bearing or this is a wiring harness issue? C0040-06 is the only active code.
 
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