Question about 2005 Toyota Highlander

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Have 2005 Toyota Highlander, the battery light went on and shortly after all the other ligths too. (VSC, oil, etc). Thinking it may be time to change the battery I installed a new one but that hasn't helped the problem. The lights come back on the dash and now the radio flashed on and off and now not functioning. The SUV does start when turn the key. Not sure if it's a sensor or perhaps it might be the starter/alternator. Any advice??? If not is this a common problem with this year and model?

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Whats wrong when AC light doesnt come on not blowing out air nor does heat blow out of vents. Cigarette lighter doesnt work nor does rear defrost comes on when you press button.

Posted on Jul 28, 2013

  • Jerome Petty Jul 28, 2013

    Whats wrong when AC light doesnt come on not blowing out air nor does heat blow out of vents. Cigarette lighter doesnt work nor does rear defrost comes on when you press button.

  • Jerome Petty Jul 28, 2013

    Whats wrong when AC light doesnt come on not blowing out air nor does heat blow out of vents. Cigarette lighter doesnt work nor does rear defrost comes on when you press button.

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I say alternator. remove and have bench tested or drive to auto store that will diagnose charging system free

Posted on Oct 03, 2010

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It's not a common problem that i know of. I would start by checking charging voltage and pressence of AC voltage in the system with the engine on. Low charging voltage and excessive ac voltage can cause odd electrical problems.

Posted on Oct 03, 2010

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Related Questions:

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

2008 Highlander will not start. Makes a ticking noise when pressing keyless start


Immobiliser ?
Try this thread it may help - http://www.helpowl.com/a/Toyota/2008-Highlander/Research/5115?search=2008%20toyota%20highlander%20vsc%20check%20engine%20light

Mar 19, 2014 | 2005 Toyota Highlander

1 Answer

My check engine and vsc trac off lights are on what could be the problem it's a 2005 highlander/ lights were off when I had smog check done and I failed/ lights came on after I had the smog check done


you probly need new tires or check tire pressure and have align or balance, time for service for your engine, get your engine scan or change sparks plugs and pcv valve

Jul 06, 2011 | 2005 Toyota Highlander

1 Answer

I have an /05 Highlander. A new short block was installed @ 74,000 mi. A week later my VSC light came on. The dealer replaced the O2 sensor & light went out..for 4 miles. Now both the eng. & VSC...


The VSC has nothing to do with the O2 Sensor,TPS Sensor or EGR Valve.

I will not express what I'am thinking,but in reality,NO Diagnostic work was done
on your vehicle.

My advice,and I don't know why the pros aren't all over me yet,is never go to a dealer.
You and thousands of others on this site alone,are perfect examples of why you
go down the street, to a local repair shop that cares.
I bet if you checked your in & out milage, that they are the same. Never road
tested,nothing,just threw parts at it at your expense.
There are good techs at dealers,but no service Mgrs that care,it is all about
taking your money and selling services you don't need. On the 5th visit they will
make the drivability repair you went there for.

Common sense: asumming they pulled codes
you never have multiple sensor failures all at one time.

Nov 29, 2010 | 2005 Toyota Highlander

3 Answers

The check engine light, VSC light and Trac control


2000 toyota highlander just had oil changed and VSC lightis on.
what to do

Mar 24, 2010 | 2001 Toyota Highlander

1 Answer

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?


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.

Sep 04, 2009 | 2001 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

The vsc yellow light turn on my 2005 toyota


vsc light tells that there is something wrong and vsc system is inactive. I got this light last week and went to jiffylube who connected the computer and pulled the error code. Then reset the light and its fine since then.

i would suggest you to go to some auto repair/service shop and get the problem code. and get is fixed and also get the warning light reset.

Apr 14, 2009 | 2005 Toyota Highlander

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