P0705 Transmission Range Sensor Error Question
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P0705 Transmission Range Sensor Error Question
Hi All,
Recently experienced transmission limp mode / CEL / semi-locked shifter issue on my 2005 C230 the other day. Currently the dashboard shows the transmission in D (drive) independent of the position of the shifter with "Sport" / "Comfort" indicator blank. ODB read P0705 (Transmission Range Sensor) error.
Common Causes:
-TCU (Not filled with oil, thank god)
-Shifter assembly position switch / PCB <--Likely candidate
My question:
Out of curiosity, I disconnected the shifter position wire harness and turned the key on. The dash STILL indicated the car was in "D" (Sport / Comfort indicator was blank).
Ben
Recently experienced transmission limp mode / CEL / semi-locked shifter issue on my 2005 C230 the other day. Currently the dashboard shows the transmission in D (drive) independent of the position of the shifter with "Sport" / "Comfort" indicator blank. ODB read P0705 (Transmission Range Sensor) error.
Common Causes:
-TCU (Not filled with oil, thank god)
-Shifter assembly position switch / PCB <--Likely candidate
My question:
Out of curiosity, I disconnected the shifter position wire harness and turned the key on. The dash STILL indicated the car was in "D" (Sport / Comfort indicator was blank).
Does it make sense that the open circuit behavior would display "D" on the dashboard without the position switch connected?
Could this indicate a TCU issue, or am I just being paranoid?
Thanks in advance!Ben
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From: So. Oregon Coast
C230 Sport Coup + 2006 W164 ML350 + 99 Ford Escort RIP
