P0705
Transmission Range Sensor Circuit Malfunction
The transmission range sensor (PRNDL switch / inhibitor switch) signal is implausible — multiple positions active simultaneously, or no position recognized. Engine may refuse to start unless P or N is detected.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Common causes
Ordered by how often each turns out to be the cause.
- Range sensor misadjustedCommon
- Range sensor failedPossible
Parts involved
- Transmission Range Sensor
- Shift Linkage
P0705 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.