AutoCodes – Generic – P0867

P0867 Code - Transmission Fluid Pressure

Quick Answer

The Transmission Control Module (TCM) continuously monitors actual line pressure and compares it to the desired line pressure. Common causes include Low / Dirty Transmission Fluid, Faulty Transmission Fluid Pressure Sensor, Transmission Fluid Pressure Sensor harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0867 indicates Transmission Fluid Pressure.
Common causes
Common causes include Low / Dirty Transmission Fluid, Faulty Transmission Fluid Pressure Sensor, Transmission Fluid Pressure Sensor harness is open or shorted.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 19,658
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 11, 2019
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Code P0867 Description

The Transmission Control Module (TCM) continuously monitors actual line pressure and compares it to the desired line pressure. If the difference between actual line pressure and desired line pressure is 10 psi (.7 kg/cm2 ) or greater, DTC P0867 will set. Transmission system will default to open loop line pressure control resulting in a fixed solenoid duty cycle. This duty cycle will change slightly depending on temperature and current gear.
OBDII Code P0867 - Transmission Fluid Pressure - AutoCodes.com
P0867 Code - Transmission Fluid Pressure

What are the Possible Causes of the DTC P0867?

  • Low / Dirty Transmission Fluid
  • Faulty Transmission Fluid Pressure Sensor
  • Transmission Fluid Pressure Sensor harness is open or shorted
  • Transmission Fluid Pressure Sensor circuit poor electrical connection

How to Fix the DTC P0867?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0867 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0867 code?

Need more information on how to fix the P0867 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0867 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0867 Code

1. What are the common symptoms of OBDII code P0867 related to transmission fluid pressure?

Symptoms may include harsh shifting, transmission slipping, decreased fuel efficiency, and the transmission going into limp mode.

2. What are some possible causes of OBDII code P0867?

Potential causes of P0867 can include low transmission fluid levels, a faulty transmission fluid pressure sensor, a malfunctioning transmission control module, or a clogged transmission filter.

3. How can I diagnose OBDII code P0867?

Diagnosis typically involves using a scan tool to retrieve the trouble code, checking transmission fluid levels and condition, inspecting the transmission fluid pressure sensor, and testing the transmission control module.

4. What are some DIY repair tips for addressing OBDII code P0867?

DIY repair tips may include checking and topping up transmission fluid levels, cleaning or replacing the transmission fluid pressure sensor, inspecting and changing the transmission filter, and resetting the trouble code with a scan tool.

5. Is it safe to continue driving with OBDII code P0867 present?

It is not recommended to drive with P0867 as it can lead to further transmission damage. It is best to address the issue promptly to prevent potentially costly repairs.

6. Can a transmission flush help resolve OBDII code P0867?

In some cases, a transmission flush may help address P0867 if the issue is related to dirty or contaminated transmission fluid. However, it is essential to diagnose the root cause of the problem before attempting a flush.

7. How much does it typically cost to repair OBDII code P0867?

The cost of repairing P0867 can vary depending on the underlying cause. Simple fixes like topping up transmission fluid or replacing a sensor may cost less, while more complex issues involving the transmission control module can be more expensive.

8. Can OBDII code P0867 be triggered by electrical issues?

Yes, electrical issues such as faulty wiring, corroded connectors, or a malfunctioning transmission control module can trigger code P0867 by disrupting the transmission fluid pressure sensor's operation.

9. Are there any preventative maintenance steps to avoid OBDII code P0867?

Regularly checking and changing transmission fluid, ensuring proper fluid levels, and addressing any transmission issues promptly can help prevent the occurrence of P0867 and other related codes.

10. How long does it typically take to repair OBDII code P0867?

The repair time for P0867 can vary depending on the cause of the issue and the complexity of the repair. Simple fixes may be completed within a few hours, while more involved repairs may take longer and require professional assistance.

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