Why did my check engine light,and my traction control light come on, and my VSC light is flashing?

Asked by Feb 20, 2015 at 04:59 PM about the 2010 Toyota Corolla

Question type: Maintenance & Repair

Car is running fine, and all of a sudden my check engine light and my traction control light
came on, and my VSC light started flashing. How can I fix this?

9 Answers

55

Your Corolla coded something. Could just be to rich fuel mixture but you need to reset the codes. I suggest taking it a Toyota dealership.

3 of 3 people found this helpful.
Best Answer
30

did you take it in? What did they say? My 09 corolla s started doing this two days ago.

3 of 3 people found this helpful.

No I didn't take it in. My husband just reset the codes on it. You can go to an auto parts store and they will reset it for you.

30

So my 09 had the same thing happen. Dealership said I need a ECU.

3 of 3 people found this helpful.
30

Just had this happen to My 2012 corolla sport fixed without buying anything. Its the MAS sensor ( mass airflow sensor) on the intake manifold unhook the sensor blow it out plug it back in also clean air filter bang it a few times then turn on and off ignition 3 times at least to reset computer. Then it shuts right off.

3 of 3 people found this helpful.

Mass airflow has nothing to do with traction control. Also ecu is main computer,Rare problem and expensive. Reading engine code with a scanner will give you a clue what problems you have. I believe autozone will check your engine light free. Not all parts stores do. (Goodyear employee).

I did some work on a truck and the guy said a week later the trction control light came on and he took to dealer, they told him the hose on the air intake was not all the way on and hose clamp was loose and charged him 125.00. I raised hood and the air intake hose was on good but clamp was still loose. 1) MAF may have something to do with it otherwise they would not have blaimed the light on that. 2) why was the hose clamp still loose? But he called me today and said light is on again that is why I'm on here trying to find causes.

30

You left your gas cap off. Make sure it's on properly and reset the dash lights by disconnecting the positive battery terminal for 20 sec. I just had the same thing happen on my Corolla. You can also have a tech reset it, so you don't lose your presets/radio settings. The plus to having a tech reset is that you may catch other problems lurking in the background. Just be sure to tell him you left the gas cap off/didn't reinstall in properly.

3 of 3 people found this helpful.

My 09 is doing the same thing. It seems like the light always goes off when the engine is cooled down.

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