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VSS is STILL throwing a code!

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Old 01-17-2009, 12:32 PM
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Default VSS is STILL throwing a code!

I'm out of ideas at this point..

The sensor was changed, the reluctor ring that sends the signal to the sensor was changed and still P0501 fault.

The car will not rev above 5K.

What I also do not understand is why the speedometer works - if the VSS is not working how is my speedometer working?
Old 01-17-2009, 12:40 PM
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BTW: another cluster was tested and the problem still exists.
Old 01-17-2009, 12:42 PM
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Default What code with a VAG COM?

I have seen generic code readers be wrong.
Old 01-17-2009, 12:47 PM
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P0501 - it's not a generic code reader reading the code. But why does the speedo work???
Old 01-17-2009, 01:13 PM
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what have you done so far?
Old 01-17-2009, 01:15 PM
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Default I don't think the VAG-COM gives p codes.

I could be wrong.

The speedo works because the code is for an intermittent issue ( from memory )

You need to track the wire harness from one end to the other until you find the pinch, break, corroded connector or whatever else is causing the code.
Old 01-17-2009, 01:18 PM
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Default The car will not rev over 5k?

That should have no correlation to the code you are showing.

What, if any, work was done prior to this issue? Any other codes which have been cleared and not come back?

Can you rev it higher with the clutch in?

Where are you located?
Old 01-17-2009, 01:25 PM
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Default Answers inside:

Mark @ ASP said that the reason I can't rev over 5K is because the VSS P0501 code sets a 5K RPM rev limiter.

I have not tried revving past 5K with the clutch in.


The only other code that was cleared and did not come back was a wheel sensor code - and that was because the car was hit in the rear and fixed.

The car was working 100% until it was hit. It sat at the body shop for two months getting fixed. It was hit in the passenger side rear. NOTHING IN THE FRONT OF THE CAR WAS TOUCHED!! (except the battery was disconnected)


Here is what we've done so far:
Changed the VSS Sensor
Changed the ring sending unit for the VSS sensor
Verified the ground and positive are working (positive is good to the cluster harness - don't know where it is in the ECU harness)

Tried another working cluster

The car displays the speed as 0MPH in vag-com when logging the measuring blocks - but the speedo works.

I'm located in NJ.
Old 01-17-2009, 01:27 PM
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Default 16885 P0501 is the code from vag-com

We tracked the wire down to the cluster harness and it's good (which is why the speedo always works).

If we clear the code it comes right back the second you move the car.

I have no idea what wire from the cluster harness to the ECU has the VSS signal.
Old 01-17-2009, 01:28 PM
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Default BTW: I will paypal $50 to whoever's suggestion sucessfully fixes the issue

That's how desperate I am.

I've owned this car for 5 months, 2 months into owning it a jerk off drunk driver hit me in my own driveway and now my car is having serious issues.

Again to reiterate - the car was NOT HIT in the front at ALL.

The only electrical thing I've changed was the central locking pump. The airbag module was reset and 2 new airbags (side air bags) were installed.


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