2007 Lexus,RX 350, 101,200 mileage - Malfunction Indicator Lamp and VSC lights came on after driving 30/40 miles. Vehicles driving performance seems normal. Checked Gas Cap. The only Dealership close by is Toyota and they can scan for the codes to determine the problem. Please advise!

Hello, these lights being on indicate a fault that affect both vehicle stability control and engine performance. In some cases, it could be a transmission related concern, but not in all.

However this can be very helpful

Make sure you are completely stopped. Put the car in park if you can.
Press and hold the VSC button for a few seconds.
The TRAC OFF and VSC OFF indicator light will come on. Both systems are now off.
Press the VSC button again. Both lights will turn off and the systems are now reengaged.

You can also check this out if you are having any problems with your smart key

Depending on the mileage 100K + miles, you may need to have the timing belt checked. either way have it checked out ASAP.

A coil for most cars are normally not a very expensive part . Take a look on eBay for your type of vehicle for anidea if costings.
A coil is normally positioned in a placedwhichbis usually quite easy for a DIYer to fix themselves.
A Haynes manual or similar vehicle fixing manual may be worth while alternatively YouTube fixing it.

Look down below your mileage reset button, around by your gas door release button and there is s VSC button. Push it and the light goes off. It is also in your owner's manual.

I'm not sure about the Lexus, but Nissan and other vehicles with the VSC usually will be on until you can drive on a straight road for approximately 2-3 miles without stops and about the same speed during the reset process. The interstate or some type of hwy will reset this light once the vehicle has learned the Vehicle Stabilization Control in which is learned by the way you drive and enables the car to have stable control. Hope this helps out, if this doesn't work, I would take it in for more diagnostics.

Hi, did you ever get an answer? I have the same issue. Thanks.

When you say malfunction indicator , do you mean `check engine`` light.
These paired lights can indicate a change in engine air flow and fuel mixture. Try a fresh tank of premium fuel, but first a unscrew and re-screw the gas cap until it ratchets into place. The lights can be triggered by a loose gas cap, a fouled O2 sensor, and several other emission related problems including sticking throttle body components, etc.
This can sometimes be sprayed with carb cleaner inserted in the snorkle area of the air intake where teh snorkle meets the metal intake.

Sounds to me like someone has perhaps knocked the ABS sensor while working on the brakes. The ECU in these cars interlinks various stability and braking components. Go back to the service center and ask them to put a code reader on the car and get a read out. It may only require that they reset the fault codes, but do not delay. On some Lexus vehicles these lights will also come on when the battery has been disconnected and there will be a reset for the programs, but the TRAC off light has never come on on my 2001 when doing brakes or battery swap.
nice find an 02 with 75,000. My 2001 is over 160

how to solve the problem of p0031

Basically, stop driving it until you can get the transmission serviced.
If you can safely jack up the vehicle and support it so it cannot fall on you, you can possible save some money by checking all the electrical connections to the transmission. Sometimes the problem is a loose or bad connection. If that does not work, your safest bet is to bring it to a certified mechanic, especially one who specializes in Lexus.