06 xc90 steering angle sensor?
06 xc90 steering angle sensor?
The wife has an 06 xc 90 awd. For a while now the anti skid service is off has been displayed on the dash. So I finally plugged it in and did a full scan on the car. Steering angle sensor was one of the things that came up. Did some research on it and I read that it will also affect the awd. I have noticed her awd does not work. Is it safe to say that sas is bad? The other codes where for the windows and steering wheel buttons. Everything works on the steering wheel. The windows do have a gremlin where if you go to put the windows up and you use the automatic once they get to the top they come back down on there own. You have to hold the window button in the up position for a few seconds while the window is up to get them to stay up
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jimmy57
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Need a bit more info on the code. Some SAS codes are due to the system sensing the car turning even slightly while wheel is in straight ahead position or going is going straight ahead as reported by the attitude sensors and the SAS says wheel is turned.
Is the wheel centered when driving straight ahead?
There are two sensors in back of center console that report Yaw and lateral acceleration. The Yaw one (serviced as a set) is the one that can falsely report attitude and the ABS system can blame SAS, especially when the alignment is off in a way that allows the wheel to not be in the straight ahead horizontal steering wheel spokes position when traveling.
Is the wheel centered when driving straight ahead?
There are two sensors in back of center console that report Yaw and lateral acceleration. The Yaw one (serviced as a set) is the one that can falsely report attitude and the ABS system can blame SAS, especially when the alignment is off in a way that allows the wheel to not be in the straight ahead horizontal steering wheel spokes position when traveling.
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SuperHerman
- Posts: 1798
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I just did this on my 2004 XC90. The dealer said it was either the SAS and/or another module. Based on their experience they wanted to do the SAS first. Something about the modules not communicating and they couldn't tell until the first module in the chain was resolved.
By the way - you should be able to use the on board diagnostic to tell you how your modules are communicating.
Back to your options. If you look at my post on the subject you will see that I found some corrosion on the connector linking to the steering wheel module, which I cleaned up. A spill may have caused your issues. Take it down to the steering wheel module connector and look. I installed a used clock spring unit from a 2004 XC90 like for like swap. This solved my problem. I never replaced the module although I did buy a used one. On my XC90 the module sits on the CEM. After 2004 they put the clock spring and module in one piece. So you need to do some research on what used part will work if you go that route.
It is not a hard job. Just disconnect the battery and start taking pieces off.
I have heard that the module can be separated but cannot confirm this. If this is true and your clock spring is the bad part you may be able to move your original module over to the new clock spring. The reason I say this is that I read that a new SAS requires a software reload - cannot confirm as I didn't have this issue on my model. If you buy a used unit - do a like for like. Get same year, engine, and awd or 2wd (depending on your car) - from what I read this works. I paid $50 for my clock spring. Aligned it and installed it. No calibration - nothing - light went off after I drove 20 feet. I did use a used unit which may change things. Use a Sharpie to mark your steering wheel position after you take off the steering wheel bolt. One on the steering shaft and one on the steering wheel. The steering wheel and tires should be straight when you start and finish.
By the way - you should be able to use the on board diagnostic to tell you how your modules are communicating.
Back to your options. If you look at my post on the subject you will see that I found some corrosion on the connector linking to the steering wheel module, which I cleaned up. A spill may have caused your issues. Take it down to the steering wheel module connector and look. I installed a used clock spring unit from a 2004 XC90 like for like swap. This solved my problem. I never replaced the module although I did buy a used one. On my XC90 the module sits on the CEM. After 2004 they put the clock spring and module in one piece. So you need to do some research on what used part will work if you go that route.
It is not a hard job. Just disconnect the battery and start taking pieces off.
I have heard that the module can be separated but cannot confirm this. If this is true and your clock spring is the bad part you may be able to move your original module over to the new clock spring. The reason I say this is that I read that a new SAS requires a software reload - cannot confirm as I didn't have this issue on my model. If you buy a used unit - do a like for like. Get same year, engine, and awd or 2wd (depending on your car) - from what I read this works. I paid $50 for my clock spring. Aligned it and installed it. No calibration - nothing - light went off after I drove 20 feet. I did use a used unit which may change things. Use a Sharpie to mark your steering wheel position after you take off the steering wheel bolt. One on the steering shaft and one on the steering wheel. The steering wheel and tires should be straight when you start and finish.
Having the same issues myself. Scanner saying sas. Got a new one. Prerry sure i calibrated it properly. Anti skid service required light still on. Having said this. Didnt download software.
Throwing an error code U042864. Invalid data received from steering angle sensor module signal plausibility failure. Wonder if this is due to no software download?
Throwing an error code U042864. Invalid data received from steering angle sensor module signal plausibility failure. Wonder if this is due to no software download?
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SuperHerman
- Posts: 1798
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I believe you need to have the software downloaded. It is my assumption that the a factory new module comes empty - I assume this because it can be used for various Volvo applications - the sole way to differentiate is to install the software. They list both software download and software update for the SAS.
When one buys a used one - it has the software from the donor vehicle. The clock spring has no software, but the module, the other part of the SAS, needs software to run.
That is my theory - call the dealer or ask an independent shop if they can do it.
One other item - in the past Volvo had a software upgrade package where they would upgrade everything for a flat fee. Maybe you can have this done at the same time.
Keep us posted on the results so we can learn.
When one buys a used one - it has the software from the donor vehicle. The clock spring has no software, but the module, the other part of the SAS, needs software to run.
That is my theory - call the dealer or ask an independent shop if they can do it.
One other item - in the past Volvo had a software upgrade package where they would upgrade everything for a flat fee. Maybe you can have this done at the same time.
Keep us posted on the results so we can learn.
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