Quote:
Originally Posted by sdixon
Thanks for the info. I have a s430 and I had the same problem. My ODBII reader was giving me an error code of "p0120" but I could not figure what sensor that was or where it is located. I will now go and look for this part. Has anyone else also had the same error code and changed this sensor out? Thanks again. Everyone has been helpful.
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Yep, the P012x codes are throttle position. It would be the most logical code to be thrown when the accelerator module packs up. But I've heard that, depending on exactly how it fails, it can throw a host of odd codes, including false transmission codes. This is because the TCU and ECU get conflicting input as to engine speed.
Like I said earlier, just drop in a new pedal module. If it isn't the problem you can be confident it will be some day soon. But it's usually the problem.