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Sarnano

Multiple fault lights on dash

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2015 3.5L here.  I'll get this scanned by my mechanic tomorrow, but wanted to see if anyone can connect the dots.  ABS fault light came on, shortly followed by traction control light, then wrench light.  Any hints as to what to expect?

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Hi Sarnano,

Cascading faults (dash lighting up like a Christmas tree) often means a failing battery.  If you can drive the car, roll by an auto supply store where you can get a free battery test.  If it's that simple it'll save you the mechanic's visit (and bill).

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Update.   Battery is new, so I'll eliminate that.  My mechanic scanned for codes, but nothing was logged.  He said it's not unusual for an ABS sensor to randomly create faults.  I've been on a couple of long drives since then, and no lights.   

 

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Word of caution.  NEVER assume a new part is always good.  I’ve seen brand new batteries, cooling fans and alternators along with other parts be bad out of the box.

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