Question about 2001 Oldsmobile Alero

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Service vehicle soon light is on, scanner at gm dealer read no codes. what all sensors activate this light. aso trac light is on. traction button(in stupid place) doesn't work

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Ok there is a difference between the check engine light and service vehicle soon light. The service vehicle soon light comes on when a bulb is out on the daytime running lights. Check your bulbs if there is one out and you put a new one in it will most likely take car of problem.

Posted on May 28, 2009

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Hi,
olds aleros and pontiacs have qwerks like those, I had a 97 grand prix that was quite qwerky. We went through the mill to get the service light out, it was the spark plug wires, plugs and dirty injectors to get that light out, its the exhaust mixture sensor sensing an incomplete burn that turns that light on, may be others but that one for sure. probably have a sensor loose, dirty, busted or grounded at one of the wheels for the abs, fix that and the trac button will probably start working again. hang onto the olds if you can , it will be worth money someday.

good luck

J

Posted on Jul 11, 2008

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2 Answers

Trac off light on


What kind of scanner are you using. that is a CAN vehicle and not just any OBDII scanner will work to read abs codes. Go to an Oreillys Auto Parts store and get the ABS codes read and message me back with the codes and I will be happy to help.

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Generally speaking there is no danger in driving the vehicle but be aware you may not have functioning traction control and/or ABS while those lights are present.

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