Transmission will not shift out of first gear

CARLTON B.

MEMBER
1998 MERCEDES BENZ C280
160,000 MILES

I changed out my conductor plate, shift solenoids, TCM, and transmission oil. My car is still in limp mode.

Friday, December 8th, 2017 AT 5:02 PM

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
42,940 POSTS

Limp mode can have nothing to do with the transmission. Can we run the codes to see whats comes up?

Here is a guide to help if you need it:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please let us know what happens.

Cheers, Ken

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Sunday, December 10th, 2017 AT 1:37 PM

CARLTON B.

MEMBER
2 POSTS

An error code popped up P0715. I cleared it then took the car on the road to reset the monitors on the scan tool. No code as of yet popped up
. Car not shifting. Checked trainee fld. Good. Ran scan again no code or DTC popped up and pendinding error cleared. That's where I'm at so far. Oh but I do have a dip stick that rums down and shows the bottom tip under the valve body. Its not store bought(Mercedes dealer) I'll check more into that. So what now, Ken?

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Wednesday, December 13th, 2017 AT 3:09 PM

KEN L

MASTER CERTIFIED MECHANIC
42,940 POSTS

Hello,

The codes you gave is a turbine speed sensor which if bad will not let the transmission shift. Here is a video that will give you an idea of what you are in for when changing the sensor. They call is an RPM sensor

https://youtu.be/f3bETtCIdxM

and diagram below for you car

Check out the diagrams (Below)

Let us know what happens and please upload pictures or videos of the problem.

Cheers, Ken

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