Cadillac STS The newest installation of the performance sedan from Cadillac, having replaced the Seville

OBD2 codes

Old 09-14-2009, 08:27 AM
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Join Date: Mar 2009
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Default OBD2 codes

I have a 2001 STS and lately the Traction Control , ABS and Brake light have been coming on but they will also clear. The codes I have are U1016, U1040, U1000, P1571 and P1644. What might be causing this?
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