AutoCodesGeneric – P2731

P2731 Code - Pressure Control Solenoid 'F'

Quick Answer

The Pressure Control (PC) Solenoid Valve an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty line pressure solenoid valve 'F'. 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
P2731 indicates Pressure Control Solenoid 'F'.
Common causes
Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty line pressure solenoid valve 'F'.
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 7,951
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 30, 2019
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Code P2731 Description

The Pressure Control (PC) Solenoid Valve an electronic pressure regulator that controls transmission line pressure based on current flow through its coil windings. As current flow is increased, the magnetic field produced by the coil moves the solenoid’s plunger further away from the exhaust port. Opening the exhaust port decreases the output fluid pressure regulated by the PC solenoid valve, which ultimately decreases line pressure. The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM).
OBDII Code P2731 - Pressure Control Solenoid 'F' - AutoCodes.com
P2731 Code - Pressure Control Solenoid 'F'

What are the Possible Causes of the DTC P2731?

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty line pressure solenoid valve 'F'
  • Line pressure solenoid valve 'F' harness is open or shorted
  • Line pressure solenoid valve 'F' circuit poor electrical connection

How to Fix the DTC P2731?

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 P2731 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.

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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 P2731 Code

What does the OBDII code P2731 mean?

The P2731 code indicates an issue with the Pressure Control Solenoid 'F,' which helps regulate hydraulic pressure in the transmission for smooth gear shifting.

What are the common symptoms of code P2731?

Symptoms may include harsh or delayed gear shifts, transmission slipping, decreased fuel efficiency, and the check engine light being illuminated.

What causes the P2731 code to appear?

Common causes include a faulty pressure control solenoid, wiring or connector issues, low transmission fluid levels, or internal transmission problems.

Can I drive with the P2731 code?

Driving with this code is not recommended as it may lead to further transmission damage and unsafe driving conditions due to shifting issues.

How is code P2731 diagnosed?

A mechanic will typically use a scan tool to verify the code, inspect the transmission fluid, check for wiring or connector damage, and test the pressure control solenoid.

How do you fix the P2731 code?

Repairs may involve replacing the faulty pressure control solenoid, fixing damaged wiring or connectors, flushing and refilling the transmission fluid, or addressing internal transmission issues.

How much does it cost to repair the P2731 code?

Repair costs vary, but replacing a pressure control solenoid typically ranges from $200 to $500, depending on labor and parts.

Can low transmission fluid cause the P2731 code?

Yes, low or dirty transmission fluid can affect hydraulic pressure and lead to solenoid-related issues, triggering the P2731 code.

Is the P2731 code specific to certain vehicles?

No, the P2731 code can appear on any vehicle equipped with an automatic transmission and OBDII system, but the location and specifics of Solenoid 'F' may vary.

Will clearing the P2731 code fix the problem?

Clearing the code may reset the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.

Discuss the causes and fixes for P2731 OBDII Code

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