AutoCodesDodge – P2738 Dodge

P2738 Dodge Code - Pressure Control Solenoid 'F' Control Circuit Low

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
P2738 Dodge indicates Pressure Control Solenoid 'F' Control Circuit Low.
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 4,008
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 05, 2022
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Code P2738 Dodge 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 P2738 Dodge - Pressure Control Solenoid 'F' Control Circuit Low - AutoCodes.com
P2738 Dodge Code - Pressure Control Solenoid 'F' Control Circuit Low

What are the Possible Causes of the DTC P2738 Dodge?

  • 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 P2738 Dodge?

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 P2738 Dodge 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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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 P2738 Dodge Code

1. What does the OBDII code P2738 mean on a Dodge vehicle?

P2738 indicates a problem with the Pressure Control Solenoid 'F' Control Circuit, specifically that it is operating at a low voltage or has an electrical fault.

2. What are the common symptoms of the P2738 code in a Dodge?

Symptoms may include harsh or erratic shifting, transmission slipping, decreased fuel efficiency, or the transmission being stuck in a single gear (limp mode).

3. What causes the P2738 code to appear on a Dodge?

Common causes include a faulty pressure control solenoid, damaged or corroded wiring, a bad transmission control module (TCM), or low transmission fluid levels.

4. Can low transmission fluid trigger the P2738 code?

Yes, low or dirty transmission fluid can affect solenoid performance and may lead to the P2738 code being set.

5. How is the P2738 code diagnosed in a Dodge?

Diagnosis typically involves scanning the vehicle with an OBDII scanner, inspecting the wiring and connectors for damage, checking transmission fluid levels, and testing the solenoid and TCM for proper function.

6. Can I continue driving my Dodge with the P2738 code?

Driving with this code is not recommended, as it can cause further transmission damage or leave the vehicle stuck in limp mode.

7. How do you fix the P2738 code on a Dodge?

Repairs may include replacing the faulty pressure control solenoid, repairing or replacing damaged wiring, cleaning connectors, or updating/replacing the transmission control module.

8. What tools are needed to fix the P2738 code on a Dodge?

You may need an OBDII scanner, a multimeter for electrical testing, basic hand tools, and possibly a transmission pressure gauge.

9. Is the P2738 code expensive to repair?

Repair costs can vary depending on the cause, but replacing a pressure control solenoid typically ranges from $150 to $400, including labor.

10. Can a software update fix the P2738 code on a Dodge?

In some cases, a TCM software update may resolve the issue if it’s caused by incorrect programming or calibration.

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