mbismylife

My car switched to limp mode and started throwing P0715 code -->input/turbine speed sensor A circuit and the check engine light was on. I went ahead and replaced the conductor plate and 13 pin connector. But it is still stuck in limp mode. Checked the wiring that goes into TCM. the wiring was covered with oil, but none went into the TCM and looked clean. Sprayed electrical connector cleaner to make sure the plugs and wiring are cleaned. Even after all this, i still get the code. I tried to erase the code with an OBD2 Scanner, but check engine light turns back on.

Need help please, do not know what to do next.

raymond g-

it may provide you better answers if you post your request to the w203 forum
as this is the w210 forum. generally speaking the transmission error code you
have identified isn't erasable using a simple OBDII reader. Transmission codes
may be embedded within the transmission module which requires a more
sophisticated diagnostic tool and must be able to read Mercedes protocols.

http://www.mercedesmedic.com/mercedes-p0720-p0715-p700/

mbismylife

Thank you for the reply. That is helpful.