Check Engine - TRAC OFF VSC OFF

Asked by Aug 14, 2015 at 02:43 PM about the 2001 Toyota 4Runner Limited

Question type: General

Check Engine Light went on wit TRAC OFF and VSC OFF

21 Answers

285

I recently had a similar issue with my 2004 and it was the O2 sensor.

28 people found this helpful.
10,595

My 2003 4 runner and other Toyota cars will do same! The problem? Gas cap not on correctly! Why? Because system for gasoline is airtight to reduce emmissions! Fix? Take off cap rescrew on until it clicks once, then, disconnect positive battery cable for 30-60 seconds. Reattach cable lights should go off once car starts! If this helped please click MY HELPFUL LINK Thank You!

184 people found this helpful.
810

toyota 4runner 2002 how to fix vsc off trac

81 people found this helpful.
160

Papaboewons answer was right! Worked right away :) Thank you SO much!!

16 people found this helpful.
195

Have this issue on my 13 4Runner, gas cap worked for a short time, but they come back. Also noticed the car feels like it doesn’t positively shift into drive, and the drive gear indicator does not illuminate after you shift, drives fine though....? Anyone have any suggestions?

19 people found this helpful.
80

We have had the same gas cap had it looked at and tightened it and even tried a new one and it didn't fix anything.

8 people found this helpful.
40

The first time I had this issue was fixed by making a home made flat round rubber gasket made out from an inner rubber tubing of a bicycle. This is about .040 " thick with an inner hole diameter of 1.4" and outer diameter of 2.2" installed above the "O" ring of the gas cap.If I remember it right , it probably lasted 5 or more years, until now. Before, it only gave a DTC or PO456 which meant " very small emission leak" on the scan tool. This time however, It gave the the VSC OFF and VSC TRACK caution lights together with CHECK ENGINE light which was TDC/PO456 and no other DTC's stored. This did not make sense due to their relationship but I went ahead and replaced the first home made gasket but increased the outer diameter to about 3 inches. After disconnecting and reconnecting the battery as mentioned above, it fixed all 3 lights. The gas cap only clicked once compared to the continuous clicks on the fist home made one and is also tighter. I'll wait and see how long will this second one last.

4 people found this helpful.
110

Papaobewon’s suggestion fixed it very quickly. Thanks! I wanted to click on his ‘helpful link’ to possible donate a little $$& but there is no link. So instead, I wish good karma to you.

11 people found this helpful.
80

Papaobewon's suggestion also fixed the same issue on my 2013 4 runner very quickly. Thank you so much, as the toyota dealership wanted me to leave it with them for 3-4 hours, and who knows how much money to diagnose.

8 people found this helpful.
40

It worked for our 2007 4 runner! Thanks for your info and Thank God!!!

4 people found this helpful.
50

2001 4Runner 4x4... all good now. Gas cap battery thing did the job. Thank You Papaobewon. Lights out!

5 people found this helpful.
10

Perfect omg th fixed the issue on my 01 4runner

1 people found this helpful.

Papaobewon, you are a genius! Thanks so much for saving us another charge. It worked as you said! I hope you still get on here!

10

All hail papaobewon his suggestion fixed my problem as well may the wind be at your back and the sun shining on your face good karma the force is with him!

1 people found this helpful.

Agreed had this issue with my 2016 4RUNNER today, googled the issue and found papaobewon’s answer. Worked like a charm.

10

Got new gas cap and undid positive battery terminal for a minute. Worked PERFECTLY on my 2006 4Runner. Thank you and Google search!!!

1 people found this helpful.
40

Disconnecting the battery and reconnecting it will turn off the warning lights no matter what... That doesn't mean the problem is fixed. It ALWAYS resets the computer and "instantly" turns off warning lights...no matter what the problem is... So, that post is NOT brilliant or genius. Sorry. Try again.

4 people found this helpful.
20

Took my 4-Runner to the dealer, who verified through their diagnostic computer I had an emission sensor alarm due to a non-standard (locking) gas cap. They replaced the gas cap and reset the warning light. They said if the alarm persists with the new gas cap, it may be an indicator of a faulty sensor. No issues since.

2 people found this helpful.

went to auto zone for a free obd check which confirmed it was a gas cap issue. Replaced old gas cap ,which did not fit snugly, from the dealer. Got home pulled the positive cable from the battery for about 60 seconds..reattached, restarted and the lights are off. This is a common issue and can happen if a good gas cap is not properly tightened on the filler neck.

Could as mean a bad coil pack, any issue with check engine light will make VSC lights come on. The gas cap was a lucky guess, but not always the issue. When engine light comes on it means the PCM performed a test on emissions, and other areas with sensors, ( o2 sensors, misfires, cam position, ect) the test has to fail three times to pop the engine light on. You should never have to disconnect battery, the PCM will perform tests again once certain parameters are met, and light will go out all by itself if fix was correct

If all these lights ALWAYS come on together, the owner’s manual doesn’t state this. On two separate occasions, probably seven years apart with our 2003 4wd 4Runner, theproblem was a misaligned gas cap. The first time, the dealer service rep told us to go home and give it about a week. Everything went away. Second time, the problem was a little more persistent. Never did anyone at the dealer state check engine light always lights the VSC lights.

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