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P0797 Chevrolet Code - Pressure Control Solenoid Valve 3 Stuck On

Quick Answer

The P0797 code for Chevrolet vehicles indicates that the Pressure Control Solenoid Valve 3 is stuck on. Common causes include Electrical fault in the solenoid circuit, Mechanical problem within the transmission, Debris or contamination in the transmission fluid. 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
P0797 Chevrolet indicates Pressure Control Solenoid Valve 3 Stuck On.
Common causes
Common causes include Electrical fault in the solenoid circuit, Mechanical problem within the transmission, Debris or contamination in the transmission fluid.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P0797 Chevrolet Description

The P0797 code for Chevrolet vehicles indicates that the Pressure Control Solenoid Valve 3 is stuck on. This valve is a crucial component of the transmission system, responsible for regulating the hydraulic pressure within the transmission. When this solenoid valve gets stuck in the open position, it can lead to a variety of issues that affect the vehicle's performance and overall drivability.

OBDII Code P0797 Chevrolet - Pressure Control Solenoid Valve 3 Stuck On
P0797 Chevrolet Code - Pressure Control Solenoid Valve 3 Stuck On

Common Causes of P0797 Chevrolet

  1. Electrical fault in the solenoid circuit
  2. Mechanical problem within the transmission
  3. Debris or contamination in the transmission fluid
  4. Faulty pressure control solenoid valve
  5. Issues with the engine control module (ECM)

Symptoms of P0797 Chevrolet

  1. Erratic shifting patterns
  2. Harsh or delayed gear shifts
  3. Transmission slipping
  4. Decreased fuel efficiency
  5. Engine stalling

How to Fix P0797 Chevrolet

  1. Begin by diagnosing the specific cause of the issue using a scan tool to pinpoint the exact problem within the transmission system.
  2. Inspect the wiring and electrical connections related to the Pressure Control Solenoid Valve 3 to identify any faults or damage that may be affecting its operation.
  3. Check the transmission fluid for signs of contamination or debris, and perform a complete fluid flush and filter replacement if necessary.
  4. Replace the Pressure Control Solenoid Valve 3 if it is found to be faulty, ensuring that the new component is installed correctly and securely.
  5. Clear the diagnostic trouble codes from the vehicle's ECM and test drive the vehicle to confirm that the issue has been resolved and that the transmission is operating smoothly.

Cost to Fix P0797 Chevrolet

The typical repair costs for addressing a Pressure Control Solenoid Valve 3 Stuck On issue can range from $200 to $500, including parts and labor. However, it's important to note that these costs can vary depending on the specific make and model of the Chevrolet vehicle, the location of the repair shop, and the extent of the damage or repairs needed. Additionally, the diagnosis time and labor rates at auto repair shops can also impact the overall cost, with rates typically ranging between $80 and $150 per hour. It's advisable to contact local repair shops for a more accurate estimate based on your specific circumstances.

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Information for Specific Chevrolet Models

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 P0797 Chevrolet Code

1. What are common symptoms of OBDII code P0797 in a Chevrolet related to the Pressure Control Solenoid Valve 3 being stuck on?

Common symptoms include harsh shifting, transmission slipping, poor fuel efficiency, and the Check Engine light illuminating.

2. What are possible causes of the Pressure Control Solenoid Valve 3 being stuck on in a Chevrolet triggering code P0797?

Possible causes can include a faulty solenoid valve, low transmission fluid levels, dirty transmission fluid, electrical issues, or mechanical problems within the transmission system.

3. How can I diagnose the cause of OBDII code P0797 in a Chevrolet related to the Pressure Control Solenoid Valve 3 being stuck on?

Diagnosis typically involves using a scan tool to retrieve the trouble codes, conducting a visual inspection of the transmission system, checking the transmission fluid level and condition, and performing a detailed transmission system test.

4. Can I continue driving my Chevrolet with OBDII code P0797 indicating an issue with the Pressure Control Solenoid Valve 3?

It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the transmission system and potentially result in costly repairs.

5. How can I repair OBDII code P0797 in a Chevrolet caused by the Pressure Control Solenoid Valve 3 being stuck on?

Repair options may include replacing the pressure control solenoid valve, flushing and replacing the transmission fluid, addressing any electrical issues, or seeking professional help for a thorough transmission inspection and repair.

6. Is it possible to reset OBDII code P0797 in a Chevrolet related to the Pressure Control Solenoid Valve 3 being stuck on without fixing the underlying issue?

While clearing the trouble code may temporarily turn off the Check Engine light, it is crucial to address the root cause of the problem to prevent further transmission issues.

7. How long does it typically take to repair OBDII code P0797 in a Chevrolet associated with the Pressure Control Solenoid Valve 3 being stuck on?

The repair time can vary depending on the exact cause of the issue, but it may take a few hours to a full day for a qualified mechanic to diagnose and fix the problem.

8. Are there any preventive maintenance steps I can take to avoid OBDII code P0797 related to the Pressure Control Solenoid Valve 3 in my Chevrolet?

Regularly checking and changing the transmission fluid, maintaining proper fluid levels, and addressing any transmission issues promptly can help prevent the occurrence of this code.

9. Can a DIY enthusiast with some mechanical knowledge tackle the repair for OBDII code P0797 in a Chevrolet caused by the Pressure Control Solenoid Valve 3?

While some repairs related to this code may be feasible for a DIY enthusiast, it is recommended to consult a professional mechanic for a thorough diagnosis and repair to ensure the issue is properly resolved.

10. How much does it typically cost to repair OBDII code P0797 in a Chevrolet due to the Pressure Control Solenoid Valve 3 being stuck on?

The cost of repair can vary based on the exact cause of the issue, parts needed, and labor rates in your area, but it may range from a few hundred to over a thousand dollars for a comprehensive repair.

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