2005 malibu abs, traction control, brake and body service lights all on

2005 CHEVROLET MALIBU
91,000 MILES
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DAVE2012
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had codes checked at parts store, no codes in computer, checked front abs sensors for continuity, both read completely open even in megaohms range. are the abs sensor a hall effect switch or generator.
Jan 10, 2012 at 7:43 PM
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HMAC300
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abs codes have to be checked by a pro type scan tool which auto parts stores don't have. the sensors are magnetic so it''s a generator it gets a 12volt signal then produces a signal
Jan 10, 2012 at 8:35 PM