P0869

2017-10-10

Description:

  • “The fault code P0869 indicates that the transmission fluid pressure is too high, which can cause damage to the transmission. This may also cause the vehicle to shift harshly or not shift at all.”

Possible Symptoms:

  • Harsh shifting

  • Vehicle not shifting at all

  • Illuminated check engine light

  • Transmission slipping or overheating

Possible Causes:

  • Blocked or clogged transmission fluid passages

  • Malfunctioning transmission pump

  • Faulty pressure control solenoid

  • Faulty transmission control module (TCM)

Related Parts:

  • Transmission Fluid Pressure Sensor: Gear fluid line delivers gear fluid/oil between the various gear parts that need lubrication. The Gear fluid line pressure Sensor monitors the fluid pressure in the line. Problems lead to difficulty in shifting gears

Possible Solutions:

  • Check and clean any blocked or clogged transmission fluid passages

  • Replace the transmission pump if necessary

  • Replace the pressure control solenoid if faulty

  • Replace the transmission control module (TCM) if necessary

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