Can the VSS be deleted?

[redfogo]

I am finishing up my wiring harness and I was wondering if the VSS was needed? I know the ECU will go into limp mode if it does not get a signal but I have a tactrix cable so I assume I can just disable that code? Reason I am asking is I am not using an OEM cluster so eliminating the VSS will take out one more thing from my wiring harness.

[Bob_n_Cincy]

I am finishing up my wiring harness and I was wondering if the VSS was needed? I know the ECU will go into limp mode if it does not get a signal but I have a tactrix cable so I assume I can just disable that code? Reason I am asking is I am not using an OEM cluster so eliminating the VSS will take out one more thing from my wiring harness.

Redfogo,
When I took my car to Turn in Concepts for tuning. Dom told me I needed the VSS. I don't know what exactly the ecu uses the signal for. But I trust that he would not steer me wrong. In my 04fxt engine, I know it is used for cruise control. I may also be involved with AVCS and IAC. I know the neutral switch in needed for AVCS.
Bob

[904svo]

The VSS and RPM are used to control the idle speed when stopping. With out the VSS the engine will stumble when coming to a stop, this is what I found on my engine.,

[redfogo]

Well then I guess I better find a VSS sensor and get things wired up! Thanks guys

[C.Plavan]

I removed the VSS- Was told I needed it, turned it off with the accessport- Never had any issues and zoomed around no problems ever. I disabled it because I used the 2005 Legacy GT transmission that does not come with the VSS component on it. The Legacy GT used the antilock brake wheel sensors (which I did not have hooked up either).

[Bob_n_Cincy]

I removed the VSS- Was told I needed it, turned it off with the accessport- Never had any issues and zoomed around no problems ever. I disabled it because I used the 2005 Legacy GT transmission that does not come with the VSS component on it. The Legacy GT used the antilock brake wheel sensors (which I did not have hooked up either).

Hi Chad
nice to hear from you. Glad all is going well with the np01.
I'm running a 2012 5mt that also doesn't have a VSS sensor. I calculated that I needed very close to 5 pulses per tire rev. I put a $15 prox sensor through the backing plate sensing the head of the lug studs. Works perfect.

Redfogo
I think it is worth having the VSS just for data logging.
Bob

[redfogo]

I removed the VSS- Was told I needed it, turned it off with the accessport- Never had any issues and zoomed around no problems ever. I disabled it because I used the 2005 Legacy GT transmission that does not come with the VSS component on it. The Legacy GT used the antilock brake wheel sensors (which I did not have hooked up either).

Chad did you have AVCS?

[C.Plavan]

Chad did you have AVCS?

Yes- 2006 WRX components on a 2013 STI built block. I didn't need a speedo since my datalogger/display uses GPS for speed.

[redfogo]

Hmm I guess I will just leave it half wired tell I get the car running and see what happens. Try to delete the the error with my tactrix.

[C.Plavan]

Hmm I guess I will just leave it half wired tell I get the car running and see what happens. Try to delete the the error with my tactrix.

That's probably the smartest route.

[Ironhydroxide]

Vss also can control the cutoff speed for fan relay. Among other things.