1999 Pontiac Grand Am GT Logo

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Posted on Feb 24, 2018
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My 1999 Pontiac Grand Am SE 2.4L,(Quad 4) the TRAC OFF and Service Engine Soon warning lights came on out of the blue after i changed the water pump and camshaft housing gaskets? Any ideas on why I think it is my Knock Sensor for the Service light but the TRAC OFF light is what gots me?

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Denis Houle

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  • Pontiac Master 1,414 Answers
  • Posted on Feb 24, 2018
Denis Houle
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You will have to retrieve the engine faulty code with a scanner to see.
Explaining in some case when the PCM (Powertrain Control Module) sense a problem for some code it will deactivate the TRACTION system for security.
I believe there is a faulty code after the code is solved then erase all codes and try again. The TRACTION light should be back on.

Hope it helps.

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Nov 01, 2008

SOURCE: pontiac 2002 se: veh soon light, trac light, abs light comes on

I have this same problem and had it checked. It is the wheel sensor. Mine is the passenger front right wheel sensor. According to the mechanic I take it to the GrandAm's are known for this. The part is about $40.

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Anonymous

  • 4669 Answers
  • Posted on Mar 22, 2009

SOURCE: pontiac 3.1 with blowed head gasket

Are you sure it needs a head gasket? These are common for just having leaking intake gaskets and that is alot easier and cheaper to fix.

Anonymous

  • 1 Answer
  • Posted on May 13, 2009

SOURCE: 2004 pontiac grand am service engine soon light

I have the same car and if the gas cap is loos for any reason the service engine light will come on so check that. If it is it will turn off in a few days after you tighten it.

Anonymous

  • 4669 Answers
  • Posted on Jun 02, 2009

SOURCE: abs light, trac light, service engine soon light 2001 Pontiac Grand Am

Sounds like you have a bad wheel speed sensor. You need to have it scanned. Since it's been sitting, it might just be a bad connection to one of the speed sensors.

Anonymous

  • 58 Answers
  • Posted on Jun 20, 2009

SOURCE: I JUST HAD THE HEAD

These lights have nothing to with the engine work, unless they disconnected or damaged your abs sensors. it sounds like they need replaced, problem is they are integrated into the hub/bearing assembly. when you replace the hub(s) be certain not to over-torque the axle nut, as this would simply redamage the hub

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