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Transmission B3 Brake Control Solenoid (VGS) has failed
Hello everyone,
I have a w164 2006 ml350 4matic with the 722.9. About a week ago, I got a check engine light and the code using xentry showed that it was "0798 - The internal electrical check of component Y3/8y7 (B3 Brake Solenoid (VGS) has failed."
At which point the car slams into reverse and drive from park and stays in limp mode.
I did drop the pan, swap out the solenoid and cleared the transmission codes using iCarSoft v3.0. However, every time I cycle the keys, the code comes back so I imagine it's doing the check when the key goes from off to on.
I do have a spare transmission I got from the junk yard that I can use for parts. (Which is where I got that solenoid from)
Any advice on next steps would be greatly appreciated.
I got a conductor plate and valve body off a used transmission. I then found some guy off eBay to code the conductor plate to the vehicle, it fixed the issue.
I got a conductor plate and valve body off a used transmission. I then found some guy off eBay to code the conductor plate to the vehicle, it fixed the issue.
Thanks for sharing the actual fix! That will help someone down the road.
Thanks for sharing the actual fix! That will help someone down the road.
Yeah, it is annoying when people never post the fix.
1 tip for whoever ends up here... Don't overfill the transmission prior to starting the car. I'd do 5ish qts, start the car, cycle gears then add more once it's running.
I think I overfilled it from the beginning, so I ended up with blowing a seal I think. I have so much fluid draining out from under the torque converter...
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