ECM 9400 error code from Vadis
ECM-9400 code points to the Brake Pedal Position Sensor which delivers faulty signal. It has
a bad engineering design similar to that of ETM. The following pictures shows the cause of
failure. The sensor is a potentiometer resistance element. It has a wiper to wear a painted
resistance stripe. There will be million times movement for the wiper on this strip and it
will cause potentiometer to fail.
Pictures:
http://www.geocities.com/achvia/IMG_2412a.JPG
http://www.geocities.com/achvia/IMG_2415a.JPG
http://www.geocities.com/achvia/IMG_2418a.JPG
The sensor parts# is 9441116 and dealer charges $88 for it and 0.2 hour labor to install it.
This could be a potential recall too. It belongs to ABS control system as some one pointed
out. refer http://au.geocities.com/ozbrick850/abs-141142.html
I had this sensor failure starting from 43K miles and 5 year. The engine light went on and
off for period of time. The message board said "Engine System Service Required". I think the
message really did not tell me anything about the problem. The vadis later show the error
code. Since I fixed the sensor, I never see this problem again.
If you have same problem in your car, I can help you to fix the sensor. Contact me at
[email protected]
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