Question about 2003 Lexus RX 300

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Lexus 2003 RXx300 check engine light & VSC light on..told it was

An expensive repair, could it be anything othr than the o2 sensor which the dealer claims it is?

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Yes it could be other problem but the 02 sensor is not the same as the VSC vechilce speed control. You may have two problems. The 02 Sensor should not be more than $75.00 and a half our labor at most. If it is something else it would or could get very expensive. The reason the light comeson is it's has a emmison problem.

Posted on Sep 29, 2009

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Troubleshooting codes p0300, p0301, p0302, p0303,p0305. VSC light, VSC off light, check engine light and engine shaking.


you have multiple cylinder missfire 1,2,3,5 check your spark plugs, plug wires and coils could even be a o2 sensor

Dec 06, 2012 | 2000 Lexus Gs 300

1 Answer

2003 Lexus GS300 P0031 code


Yes the O2 sensor preheater problem will turn on the VSC light, see the complaint often, why? don't know
.P0031 TOYOTA - Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 1
In most cases the O2 being replaced cures the code but here is the full story.
Possible causes- Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit open shorted to ground
- Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit poor electrical connection
- Faulty Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit
- Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit fuse
- Faulty Engine Control Module (ECM)

Jun 16, 2012 | 2003 Lexus Gs 300

1 Answer

My check engine light came on & stays on. My vsc & vsc off ligts also came on and are staying on also. ANy ideas?


take to local parts store to retrieve code vsc/trac are in failsafe because of thcheck engine light once you have code then we can diag problem with engine

Mar 07, 2011 | 2003 Lexus Gs 300

2 Answers

Lexus ls430 check VSC


2002 Lexus ls430 check VSC message

Dec 01, 2010 | 2004 Lexus LS 430

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

1 Answer

2004 lexus rx330 what does vsc light indicate


VSC is Vehicle Stability Control. This is and electronic sensing which monitors and combines performance of braking, wheel slippage and handling, ect.
If this light comes on along with check engine light, it can be caused by a loose gas cap or faulty o2 sensor.

Nov 23, 2009 | 2004 Lexus RX 330

1 Answer

My 1999 lexus es 300 VSC off & VSC light went on. 112,000 miles. what should I do?


take it to autozone and have the light scanned. Id almost be willing to bet its an o2 sensor, the bank 1 sensors tend to go bad around that time.

Nov 12, 2009 | 1999 Lexus ES 300

1 Answer

I have a 2003 lexus gs 300..the check engine light came on and the VSC OFF traction control came on and it stays on...i tried to turn if off, but the light just stays on


vsc shuts down any time check engine light comes on. repair engine light problem, reset computer monitoring system and vsc light will go off. must scan computer to pull codes for check engine light and go from there.

Oct 02, 2009 | 2003 Lexus Gs 300

1 Answer

VSC light and Check Engine Light On at same time 2003 RX300


need to take to a toyota or lexus dealer to find out what the code really is. the vsc light comes on every time the check engine light comes on. aftermarket scantools sometime will not give the proper description of the code that is present.vsc light is a vehicle skid control light. and do u mean o2 sensor.

May 26, 2009 | 2003 Lexus RX 300

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