P0867 Fault Code

Transmission Fluid Pressure

• What does that mean?
• Symptoms
• Causes
• Solutions

The P0867 fault code indicates that the transmission fluid pressure is below the acceptable level. This pressure is crucial for the proper functioning of the transmission system, as it helps to engage the gears and manage the overall operation of the vehicle's drivetrain. Maintaining proper transmission fluid pressure ensures smooth shifting and optimal performance.

What are the symptoms of the P0867 code?

When the P0867 code is triggered, drivers may experience:

• Harsh or slipping transmission shifts.
• Delayed engagement of the transmission when shifting from park to drive.
• Unexplained loss of power during acceleration.
• Illumination of the check engine light on the dashboard.
• Unusual noises coming from the transmission, such as whining or grinding.

What causes the P0867 code?

Several factors can lead to a low transmission fluid pressure. These may include:

• Insufficient transmission fluid due to leaks or improper maintenance.
• A malfunctioning transmission pump that fails to build adequate pressure.
• Clogged filters that impede fluid flow.
• Faulty sensors that incorrectly report pressure levels to the vehicle's computer.
• Internal transmission issues, such as worn components or damage to the valves.

How to fix P0867?

To resolve a P0867 fault code, the following steps should be taken:

• Inspect the transmission fluid level and condition, adding or replacing fluid as necessary.
• Check for leaks in the transmission system and repair them promptly.
• Replace any clogged or damaged transmission filters.
• Test the transmission pump and replace it if it's not functioning correctly.
• Inspect and replace faulty sensors that may be giving incorrect pressure readings.
• If internal transmission issues are found, consider a professional evaluation for repair or replacement.