P0850: Park/Neutral Switch Input Circuit
Short answer: P0850 means “Park/Neutral Switch Input Circuit”. It is a standard OBD-II code, so the basic meaning is the same on every car. Below is what it means on each of the 5 cars we cover, with a link to the full page for each car.
Standard OBD-II code Same meaning on all cars (SAE J2012).
P0850 on each car
| Car | Meaning on this car | Confidence |
|---|---|---|
| Toyota Corolla (11th gen, E170) | Park/Neutral Switch Input Circuit | medium |
| Toyota Corolla (10th gen, E140) | Park/Neutral Switch Input Circuit | medium |
| Honda City (5th gen, GM2) | Park/Neutral Switch Input Circuit | medium |
| Honda Civic (10th gen, FC) | Park/Neutral Switch Input Circuit | medium |
| Suzuki Wagon R (Pakistan, K10B) | Park/Neutral Switch Input Circuit | medium |
Symptoms
- Check engine light on
Likely causes
- Fault in the part or circuit named in the code
What to check, in order
- Read the code with a scanner that can read the gearbox computer
- Check the gearbox fluid level and condition with the correct procedure
- Check the connector and wiring at the gearbox
- Have a gearbox specialist confirm before replacing parts
Causes and checks above are the general meaning. The exact test steps and values differ by car: open your car’s page.