P0705 Transmission Range Sensor A Circuit (PRNDL Input)
What does P0705 mean?
P0705 — Transmission Range Sensor A Circuit (PRNDL Input). This is an OBD-II diagnostic trouble code a scanner retrieves when your vehicle's computer detects transmission range sensor a circuit (prndl input). The level of risk depends on how the vehicle is currently running and how long you've been driving with the light on.
Common causes of P0705
- Faulty transmission range or neutral safety switch
- Misadjusted or loose range sensor linkage
- Shorted or open sensor wiring
- Damaged lever or detent
- Faulty TCM or PCM input
How to fix P0705
- Check gear position readings on a scan tool as you shift
- Verify the range sensor physically follows the shifter
- Inspect the sensor wiring and connector
- Test the sensor resistance across all positions
- Replace or adjust the range sensor and verify all positions