2007 Chevy Express 3500(62,000miles). ABS, Brake, and Smart Trac dash lights all...

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Matt F

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...remain on. How to diagnose? We got a lot of rain last week, and both our vehicles had the same ABS light issue. My truck's ABS light only came on twice, and it hasn't come back on. The van's lights come on every use. Thanks for any help!
 
Check clean the connectors for the wheel speed sensors. Might have gotten them wet/dirty. Might also have a bad wheel bearing. But check the brake fluid level first. If low the lights would come on. Check brake shoes, might be glazed. May have to turn rotors and file shoes or replace.
 
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