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Old 17-06-2017, 09:14 PM   #1
Neme
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Default VSS - Vehicle Speed Sensor

On an AU3 XR8....

What do these do? I ask because my speedo works fine, but my ECU is throwing a code for the VSS......?

Will the VSS effect the engine/tune etc in any way if throwing a code?
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Old 18-06-2017, 08:08 AM   #2
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Default Re: VSS - Vehicle Speed Sensor

Maybe not - the VSS is used as an input to the PCM and ABS systems as well as providing data to the cluster via CAN bus.
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Old 18-06-2017, 12:20 PM   #3
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Default Re: VSS - Vehicle Speed Sensor

So what is the fault code ??
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Old 18-06-2017, 03:03 PM   #4
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Default Re: VSS - Vehicle Speed Sensor

I use Forscan and it literally says VSS, not sure what the code number was.

Was throwing a cam posi sensor fault too which I replaced and it went away.
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Old 18-06-2017, 03:06 PM   #5
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Default Re: VSS - Vehicle Speed Sensor

I use Forscan and it literally says VSS, not sure what the code number was.

Was throwing a cam posi sensor fault too which I replaced and it went away.
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Old 18-06-2017, 06:22 PM   #6
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Default Re: VSS - Vehicle Speed Sensor

So I got under there today.

There was some oil seepage on the sensor, cleaned it all up then pulled the plug apart, wasn't easy as there was some green corrosion on the pins. Cleaned it all out and put it back together full of RP7 and the VSS fault code is gone...
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Old 10-05-2018, 03:50 PM   #7
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Default Re: VSS - Vehicle Speed Sensor

Im getting this code on my s3 xr8 too,im assuming its the speedo sender that causes this?
Might have to give mine a clean too,my speedo also works fine.
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Old 10-05-2018, 04:51 PM   #8
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Default Re: VSS - Vehicle Speed Sensor

Quote:
Originally Posted by TICKFORD220 View Post
Im getting this code on my s3 xr8 too,im assuming its the speedo sender that causes this?
Might have to give mine a clean too,my speedo also works fine.
Is it the only code you are getting? Are you getting other codes as well? Just wondering because if you are getting heaps of different codes at the same time, it may point to a earthing issue previously mentioned in another thread i linked for you, good luck sorting it mate.

cheers, Maka
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Old 11-05-2018, 06:30 PM   #9
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Default Re: VSS - Vehicle Speed Sensor

I think I had the same issue with my AU Fairmont turned out to be a faulty ABS module
as Maka has mention what other codes are you getting ??

https://fordforums.com.au/showthread...le#post6009355



cheers Dean
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