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Discussion Starter #1
So after doing some research I purchased the H&R springs for my 2016 SHO and had them installed by my dealer. The car was definitely lower by at least 1.5" all around and had the ride characteristics I was looking for. Everyone's happy. Then a day or so later it started occasionally throwing a code and illuminating the service traction control or "AdvanceTrack" as I believe it's called. I called the dealer and have an appointment Monday to have it looked at. But they said it may be a result of the suspension being lowered. They said they sometimes see it with trucks when they are lifted. As much as I see H&R springs discussed, I have never seen this mentioned. Of course, if there's only going to be one person in the whole world to have this issue, it'll be me. :( Has anyone else ever heard of this? If so, is there a known fix? There doesn't seem to be any loss in ride quality when it occurs. And if I stop and shut off the car, when I restart, it's gone and can stay gone for hours. Any information will be greatly appreciated!
 

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I have never heard about it either. Curious to hear the resolution.
 

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Discussion Starter #4
I didn't have an OBDII reader with me when the events occurred. When I had returned home to where one was available, I had restarted, and the code had cleared. I'm carrying one with me between now and Monday and will update. Thank you for your input.
 

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Gen 5/6 Forum Moderator
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What about a laptop and FORScan? We're almost positively not looking at an OBD-II code.

The code may be stored historically this way, too.
 

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Discussion Starter #6
You have broadened my horizons. This is my first blue oval. Prior to this I had been a bow tie all my life. After your post and doing a little research I now know what FORScan is and that I need a OBDII-USB cable. Looking on eBay all are shipping for the U.K. or China. Any suggestions on a U.S. Source? Also, even thought I know now it probably wouldn't have helped anyway, I rode around all day with an OBD code reader. Of course I experienced no occurrence. It happened twice yesterday and once the day before. I know it's a stretch but, are any of these systems adaptive?
 

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Midwest Chapter Mod
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As one of the 1st to have installed the H&R's on the GEN4 SHO platform, and also having worked closely with a friend who worked in R&D at that company to develop the resolution for the rear camber bolts and it's resulting alignment issue post install of their springs, I have NEVER ONCE heard of anyone having reported such issues as you are/have, and this is across multiple forums, over several years.

I wouldn't place much stock in what a service advisor is telling you at/from a dealership level. Anything outside of stock parameters, and those very same people are quick to assess blame elsewhere, other than investigating and resolving the actual issue.

I suspect you may likely have a faulty sensor that is triggering that CEL, as you report that a shut down/restart is resolving the matter. At least on its' surface. I agree with others, pull the code and proceed from there.

I wouldn't be surprised if you have a developing mechanical issue that may be a result of a faulty part right off of/from the production line. I've heard of some issues relating to the PTU &/or the Rear Diff on some of those model years. Which may be attributed to the vendor supplying those parts to FMC.

Good luck in your quest!
 

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Discussion Starter #8
As I mentioned in first post, I have no doubt that if it will only ever happen once on the planet.....it'll happen to me.
And to add further mystery to the situation yesterday there was no occurrence. I wanted to get the H&R's on the highway and see how they handle. I put roughly 80 miles on it today on 485 around Charlotte. And another 30 ish through town. Outstanding ride and handling! Again, no codes, all is well. My OBDII-USB cable, so I can use FORScan, will not arrive until after my Monday dealer appointment. They're replacing a warranty rocker trim piece as well or I may have considered cancelling the appointment. I'll post any further developments and I appreciate everyones input.
 

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Discussion Starter #10
Thank you. I purchased it brand new in April and she has quickly become my pride and joy! I've always had performance cars but I'm getting to the age where I didn't feel like climbing in and out of a coupe. I wanted something that was a blend of luxury and performance. She fits the bill beautifully! And what's more, we enjoyed another completely code free day! I'm very happy for that because I love the ride, stance and handling with the H&R's. I just hope Monday or FORScan, once my cable arrives, provides some explanation.
 

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Discussion Starter #11
H&R's vindicated!

Monday's appointment resulted in the warranty rocker panel being replaced. But as soon as I told them it threw the code once on Tuesday, the day after it was lowered, and twice on Wednesday. But nothing since then. They were only too happy to stamp that issue "NPF"! No Problem Found. To the point made earlier by bpd1151 if I ever get so much as nosebleed going forward, in their opinion, it'll be because I lowered it.

The H&R's provide the stance, handling performance and characteristics that I was looking for. To me the stock set up handles as a luxury vehicle that can go straight pretty quickly. I wanted a performance sedan ride that has some luxury features. Now with some minor motor mods I know I can do more than just go in a straight line. Long highway rides are a joy with a very positive, confident ride. I'll continue with the FORScan but do not expect anything more to report. Thank you for the support and input. Very much appreciated!
 

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Discussion Starter #12
So this recently began reoccurring. But now I had the capability to pull it into the garage, leave it running, and hook up FORscan. It’s code C0051 Steering Wheel Position Sensor. Additional Fault Symptom: - Signal Plausibility Failure.
So that I know what I’m talking about, or hopefully will at least sound like it, when I go back to the dealer who installed my springs I have a question. I had to go back to them multiple times after the install and alignment because the steering wheel would be canted one way and then the other when driving straight. Is this a code related to this issue? They finally got it pretty straight and I’ve attributed any minor can’t to road crowning. I can also go weeks even a month or more without it throwing this code. I had 15K service performed today, oil, filter and rotation. On the way home the code popped up again.
 

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Discussion Starter #13
Need to pull for codes before we can go much further... I'm betting there's some kind of signal plausibility code getting set.
thefranchise713 - you were correct all along. As I now have FORScan capability I was able connect when the light was on. It’s code C0051 Steering Wheel Position Sensor. Additional Fault Symptom: - Signal Plausibility Failure. Do you know how I may fix it so it doesn’t throw it again?
 

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Gen 5/6 Forum Moderator
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Beyond my mechanical knowledge.

I'd also have the battery checked--low voltage does strange things. Maybe a cell is going bad. If not, I've seen a couple of steering gears need replacement at low mileage--but I have no idea if that's truly what's going on here.

Guessing you have a warranty though -- time to call that out and head to the dealer and let them fight it out. Make sure to file the appointment for service with the code indicated so if the issue results in a complete failure out of warranty, you can argue pretty easily that the issue occurred while the warranty was active.
 

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Discussion Starter #15
Beyond my mechanical knowledge.

I'd also have the battery checked--low voltage does strange things. Maybe a cell is going bad. If not, I've seen a couple of steering gears need replacement at low mileage--but I have no idea if that's truly what's going on here.

Guessing you have a warranty though -- time to call that out and head to the dealer and let them fight it out. Make sure to file the appointment for service with the code indicated so if the issue results in a complete failure out of warranty, you can argue pretty easily that the issue occurred while the warranty was active.
I understand. As clearly it’s beyond mine as well.

My only apprehension about the dealer is that since I paid them to install the springs they can always, as they are now, say that’s the cause and it’s my fault. Therefore outside of warranty. I’ll poke around a little more and see what I can learn. Thank you for all of your help! If I come upon a clear resolution I’ll post for others down the road.
 

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I don't have a copy of the Taurus workshop manual, but my conversation would go something like this after they refused warranty service:

"My car is throwing a C0051 -- Steering Angle Position Sensor, Signal Plausibility issue, what's the code setting criteria?"

I'm sure you'll find that the code setting criteria has NOTHING to do with the springs that were installed.

I tried to find the same code in my Explorer manual from MY2017 but I'm not seeing it in there unless I looked on the wrong module page.
 

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Owner of #RaceSable
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Sounds like the steering wheel position sensor wasn't reset after the alignment was done.
 

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Discussion Starter #18 (Edited)
Sounds like the steering wheel position sensor wasn't reset after the alignment was done.
After reading your comment it made complete sense that it was a standard procedure in a service I've already paid for. I broke down and paid the less than $20 @ justanswer.com. I was replied to by a Ford Technician. Some of his spellings lead me to believe he is in the UK. That makes no difference. Just an observation. But he agreed and the response is below.


" Fitting springs will have no effect on the steering angle sensor at all . However the wheel alignment they carried out after will effect the steering angle sensor . It alighnment was out and steering wheel was off centre it will cause the code you are receiving . In most cases the alighnment need to be set true and the steering angle sensor recalibrate with dealer tool to cure the issue"


Armed with this info I called the dealer. We discussed the code and the suspected cause. They were in agreement that it sounded feasible and perhaps they should have recalibrated the sensor. I have an appointment this Wednesday. I am cautiously optimistic that this will be the end. With so many applications with these springs, and no problems, it has to be.
 

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Discussion Starter #19
As noted by thefranchise713 the criteria for setting code C0051 has nothing to do with the springs. Furthermore all of that criteria was found to be within spec. And all of the alignment criteria was within spec. They were willing to recalibrate the sensor but since it is throwing the code @ random when all is within spec, the decision was made to just replace the sensor. It is on order and should arrive in 4 or 5 days. At that point we will schedule an appointment and have the new sensor installed. And the best part? Since lowering with the H&R springs played NO PART the entire repair is UNDER WARRANTY!

I cannot thank everyone enough for their assistance and input. Knowledge is power. It was a far different appointment today. No more discussion of, “Well it’s because you lowered it” Thank you!
 

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This thread demonstrates the true value we can all get from these forums by participating in sharing info and asking questions.

Few of us individually know enough about the complex systems in these cars but as a group, we are very knowledgeable.

It keeps the dealers and shops honest when you can challenge them with solid information and facts.
 
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