Question about 2004 Toyota Sienna XLE AWD

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What does the check engine light and VSC light indicate for a 2004 toyota sienna xle?

Hello, I was picking up the kids from school and the check engine and VSC lights came on. What might this indicate? I have 184,000 miles on the van. Thanks

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Take it to a car parts store like Advanced Auto to get their free trouble code reading service.

Posted on Dec 03, 2014

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VSC TAC light and Engine Check light on


http://www.toyota-global.com/innovation/safety_technology/safety_technology/technology_file/active/vsc.html

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-----------------------------BMW ICOM BMW ISIS ISID A+B+C Plus

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2004 Toyota Sienna XLE: Check engine light stays on VSC LIGHT AND TRAC LIGHT ON, HOW DO I GWT THESE LIGHTS OFF?


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1 Answer

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Hello


The Engine and Automatic Transmission (not applicable to manual transmissions) in this vehicles drive train are fully electronically controlled by a computer called the PCM and TCM (Power Train Control Module, Transmission Control Module). When a problem like this or other drive-ability related problems occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM. Also always check fuel pressure for correct spec for your make and engine type.


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1 Answer

My 2001 TOYOTA SIENNA XLE is showing a P0420 code Problem? My Check engine light is on, My Traction Control light is now showing off? and my VSC(Vehicle Stability Control) Light is on too? After...


Exhaust Converter-- (PO 420) -- may be melted inside and restricted

That causes the O2 Codes

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You will need to replace all the O2 Sensors, also

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1 Answer

2004 Sienna - VSC and TRAC OFF Lights are On


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2 Answers

2004 toyota sienna engine and vsc light


well the check engine light on can mean many different issues its just a symbol telling you that your ecu (engine computer) has found an issue with your vehicle it is not a specific indicator of whats going on unless you get the codes pulled from your computer any autozone will pull the codes for free and some shops will also just call around they will not diagnose prob for free though it could be anything vacume leaks - o2 sensor bad ext....as far as your vsc being on most of the time when your check engine light comes on the vsc will light up also does not mean there is an issue with your vsc system....i work as a mechanic for a toyota dealer and see his all the time and check to make sure your gas cap is tight will set check eng and i see it all the time when custs forget to tighhten gas cap if its loose you can get the codes erased hope this helps!!!!

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1 Answer

VSC and engine light on


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