OBD-II code · Powertrain (generic)
P0868 Transmission Fluid Pressure Low
TCM detects line pressure below the calibrated minimum during normal operation, suggesting hydraulic leakage, low fluid or pump wear.
Is it safe to drive with P0868?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyLow transmission fluid
- PossibleTransmission pump wear
- PossibleInternal hydraulic leak
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
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 3–12 h
- Emissions test
- Usually unaffected
- Parts involved
- Transmission Pump, Valve Body, Transmission Fluid
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.