P0868 on Honda Civic FC: Transmission Fluid Pressure Low
Short answer: P0868 means “Transmission Fluid Pressure Low”. The car’s computer has found a fault in the AT (gearbox) system and turns on the Check engine light (MIL). First check: read the code with a scanner that can read the gearbox computer.
Standard OBD-II code Same meaning on all cars (SAE J2012). Not checked against this car’s factory manual.
- Code
- P0868
- System
- AT (gearbox)
- Dashboard light
- Check engine light (MIL)
- Applies to
- Generic OBD-II meaning. Not every code is used by this car.
- Confidence
- medium (generic OBD-II definition, not checked against the factory manual for this car)
- Source
- obd-codes.com
Symptoms and when it is set
- 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
Related on this car
Same code on other cars
- P0868 · Toyota Corolla (11th gen, E170)
- P0868 · Toyota Corolla (10th gen, E140)
- P0868 · Honda City (5th gen, GM2)
- P0868 · Suzuki Wagon R (Pakistan, K10B)
- P0868 on all cars compared
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.

