IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

Check VGRS and Slip Indicator are showing up on my IS350

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Old 08-15-20, 11:02 PM
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2014Cash
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Default Check VGRS and Slip Indicator are showing up on my IS350

Hello, I just bought a 2014 Lexus IS350 F sport and I have a "check VGRS system" message as well as a slipping indicator light on. There are after market wheels on the vehicle. Also none of the tire pressure numbers show up in the menu when I go to look for them. Any ideas what may be causing this issue? Also, the car is in ba need of an alignment, so could that possibly fix it?
Old 08-16-20, 06:48 AM
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JNP1227
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Maybe check the tire diameter of the aftermarket wheels. If the difference is far too much you will throw the code
Old 08-16-20, 11:46 AM
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Originally Posted by JNP1227
Maybe check the tire diameter of the aftermarket wheels. If the difference is far too much you will throw the code
I’ll double check, although I do believe they are the same size. Do you think an alignment can fix the issue? Because the steering wheel is definitely off center when driving straight, it goes to the right a few degrees
Old 08-16-20, 12:48 PM
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Sasnuke
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IT's hard to say what the issue is without knowing what the codes are.
To retrieve those codes you'll likely need the Toyota scanner, Techstream, since they are not powertrain codes.

Likely there is a VGRS code that's causing the Skid Control light to come on. Likely there isn't anything wrong with the Skid Control System.
If the alignment is out then you will need an alignment and the Yaw Rate and Acceleration sensors calibrated after. This has to be done after every alignment, no exceptions...provided you adjusted the alignment, which sounds you will definitely need.

Do you know the front and rear tires sizes? In case you don't know the rim sizes.
Realistically the rims sizes are sort of irrelevant cause the tire sizes will determine if you have an issue there or not.
Old 08-16-20, 06:54 PM
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2014Cash
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Originally Posted by Sasnuke
IT's hard to say what the issue is without knowing what the codes are.
To retrieve those codes you'll likely need the Toyota scanner, Techstream, since they are not powertrain codes.

Likely there is a VGRS code that's causing the Skid Control light to come on. Likely there isn't anything wrong with the Skid Control System.
If the alignment is out then you will need an alignment and the Yaw Rate and Acceleration sensors calibrated after. This has to be done after every alignment, no exceptions...provided you adjusted the alignment, which sounds you will definitely need.

Do you know the front and rear tires sizes? In case you don't know the rim sizes.
Realistically the rims sizes are sort of irrelevant cause the tire sizes will determine if you have an issue there or not.
just checked and all the wheels ar 225/45-17. Will be doing the alignment at an alignment shop tomorrow, however I don't think they specialize in Lexus so I will mention the Yaw Rate and acceleration sensors and hopefully they can be calibrated.
Old 08-17-20, 05:41 AM
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Sasnuke
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Originally Posted by 2014Cash
just checked and all the wheels ar 225/45-17. Will be doing the alignment at an alignment shop tomorrow, however I don't think they specialize in Lexus so I will mention the Yaw Rate and acceleration sensors and hopefully they can be calibrated.
The quickest and easiest way to do the calibration is with the Techstream. However, there is a manual procedure you can do yourself at home after the alignment.
See attached.
Attached Files
File Type: pdf
Sensor Calibration.pdf (129.4 KB, 520 views)
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