Powertrain
generic / SAE
P0869
Transmission Fluid Pressure High
TCM detects line pressure above the calibrated maximum, suggesting stuck pressure regulator valve or solenoid fault.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number8 / 69
Possible causes
- Pressure regulator valve stuck high
- Pressure control solenoid fault 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
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–2500 €
- Estimated time: 2–8 h
- Component: pressure regulator valve
- Component: pressure control solenoid
- Component: valve body
- MIL / check engine light
Sources
References
sae:J2012