Question about 2001 Toyota Highlander

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Vsc light comes on when I put in drive or reverse on my 2002 toyota highlander - hose was pulled out of air filter assembly when oil changed and reconnected but light still goes on- easy fix?

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Have patience and light will go off. Or you can go to advance auto to clear it for you. Or you can disconnect the battery for 10 seconds. Your choice.

Posted on Oct 27, 2009

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Posted on Jan 02, 2017

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1 Answer

Why is the engine light and VSC light on in my 2003 Highlander with 136,000 miles.


There is some of a sensor attached to the oil filter assembly, sometimes after regular oil change mechanic forgets to check this connection. So no harm to the engine, but the light stays on. Just ask them to re-connect.
Happened to my Highlander like 5 times :)

Jun 29, 2014 | 2003 Toyota Highlander

1 Answer

Why Did the Vsc and check engine light come on in 2005 toyota highlander?


The converters generally fail only after the truck has been running rich. I would not replace them until certain the engine is running properly. There is no harm to the car to drive with these converters. Was there any history of rich operation codes?

Jul 08, 2017 | 2005 Toyota Highlander

1 Answer

How do I fix this. my vsc lights are also on. Could it be that the oil was changed and they messed with the air filter?


No the oil change could not cause the Vehicle Stability control warning to come on. This light is turned on when the system control module detects a fault. You now need to have the VSC scanned for fault codes by the dealer or a well equipped shop that knows Toyota problems.

Jun 14, 2012 | 2003 Toyota Highlander

1 Answer

2002 Toyota Highlander -


Yes this ih how it operates. The check engine light is designed to protect the catalytic convertor.When ever the CK ENG LT comes on it disables the VSC.

Mar 09, 2012 | 2002 Toyota Highlander

2 Answers

2003 Highlander chk eng and vsc light came on. Took it to Toyota dealer for diagnostics $100. Needed an Oxygen sensor. Got it replaced but VSC light remained. Called Toyota service, they said there was no...


after replaceingts a oxygen sensor check engine light will stay on for so many miles dissconnect positive side of battery for 40 secounds then hook back up that will reset it but if you have a alarm on radio you may have to put code in it auto parts stores sale something called a ob 2 its the scan tool to pull codes but even if you use it to reset code if code is detected by computer it will come back after so many miles the light will go off give it some time its normal

Nov 04, 2011 | 2003 Toyota Highlander

1 Answer

My toyota Highlander is showing CHECK VSC light


First check and make sure your gas cap is tight, if this does not resolve the problem read below.A vacuum hose has become disconnected, more than likely due to having your air filter replaced. The VSC and Check engine light typically don't come on until after 150-200 miles after the vacuum hose was pulled out The fix: on the right-hand-side of the engine compartment behind the big plastic housing that holds the air filter you will find a black rubber hose that is not connected to anything. Squeeze the finger clamp on the hose and slide the hose back onto the half inch nipple on the back of the air filter's plastic housing In order for the VSC and Check engine light to be turned off, you will need to open the fuse box, right-side of the engine compartment, and pull the 20 amp EFI fuse for 10 seconds. This will reset the system. The fuse location is marked on the lid of the fuse box, also I believe the EFI fuse is the only 20 amp fuse.(and after you're sure nothing is really wrong with your car), try resetting the "maintenance required" display by setting first your ODO display to the ODO setting. Turn off your engine. While pressing and holding down the ODO button, turn your key to the ON position. The display will do this weird blinking action then it'll go back the ODO reading. No more "maintenance required" display.

Oct 11, 2011 | 2008 Toyota Highlander

2 Answers

Po446 only code that came up. Hoses are all attached 2002 Toyotal Highlander


i have an 03 highlander...i don't know if this matches your problem or not but when my air filter cover is lifted in order to check or change the air filter, it can lift a small black hose off the metal tubing that it is attached to (down behind the air filter housing...about 1 to 2 feet down). If this hose becomes detached, after some starts, the check engine light comes on. I think this is part of the emissions recirculation or something to that effect...I'm sorry...I am not mechanically oriented but I did have this particular issue as I've described. So, once I learned this, I always removed that hose from the air filter housing before lifting the top cover off the air filter housing and then always put it back once I've put the filter cover back into place. Also, when a shop does oil changes, they typically check your air filter and they usually don't know about this. I always tell them to either not check my air filter or I check the hose after they're through (I usually do anyway just to be sure). They'll pull this off and they'll never know it. You can't feel it tug when pulling the a/f cover off so you do need to check this. I don't know if the 02 Highlander is the same as the 03 in this respect but I would check behind the air filter housing and look for a small black hose and feel if it is properly connected to a metal tube that runs up from the engine below. Hope this helps.

Aug 25, 2009 | 2003 Toyota Highlander

1 Answer

THE VSC LIGHT CAME ON AND THE ENGINE LIGHT AT THE SAME TIME


check to make sure your hoses located behind the air filter are connected. many times they come loose when the filter is checked during routine servicing & oil changes. This can cause the trouble lights to come on. You may need to disconnect the battery for a few seconds to reset the lights.

Jul 07, 2009 | 2002 Toyota Highlander

1 Answer

Check engine and svc light came on Toyota Highlander 2002


Check vacuum hose has come loose or gone bad from back of air filter box?

Nov 14, 2008 | 2002 Toyota Highlander

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