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P0797 Honda Code - Pressure Control Solenoid 'C' Stuck On

Quick Answer

The P0797 Honda code indicates that the Pressure Control Solenoid 'C' is stuck on, meaning that there is a malfunction in the transmission's hydraulic control circuit. Common causes include Faulty pressure control solenoid, Electrical issues such as a short circuit or wiring damage, Low transmission fluid levels. 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 Honda indicates Pressure Control Solenoid 'C' Stuck On.
Common causes
Common causes include Faulty pressure control solenoid, Electrical issues such as a short circuit or wiring damage, Low transmission fluid levels.
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 09, 2024
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Code P0797 Honda Description

The P0797 Honda code indicates that the Pressure Control Solenoid 'C' is stuck on, meaning that there is a malfunction in the transmission's hydraulic control circuit. The pressure control solenoid is responsible for regulating the hydraulic pressure within the transmission, which is crucial for shifting gears smoothly and efficiently. When this solenoid gets stuck in the "on" position, it can lead to various issues with the transmission's performance.

OBDII Code P0797 Honda - Pressure Control Solenoid 'C' Stuck On
P0797 Honda Code - Pressure Control Solenoid 'C' Stuck On

Common Causes of P0797 Honda

  1. Faulty pressure control solenoid
  2. Electrical issues such as a short circuit or wiring damage
  3. Low transmission fluid levels
  4. Dirty transmission fluid
  5. Internal transmission damage

Symptoms of P0797 Honda

  1. Harsh or erratic shifting
  2. Delayed gear changes
  3. Transmission slipping
  4. Check Engine Light illuminated
  5. Reduced fuel efficiency

How to Fix P0797 Honda

  1. Perform a diagnostic scan to confirm the presence of the P0797 code and pinpoint the exact cause of the issue.
  2. Inspect the pressure control solenoid 'C' for proper operation and replace if necessary.
  3. Check the transmission fluid level and condition, topping off or replacing as needed.
  4. Inspect the electrical connections and wiring associated with the pressure control solenoid for any damage or corrosion.
  5. Clear the trouble codes, reset the transmission adaptation values, and test drive the vehicle to ensure proper operation.

Cost to Fix P0797 Honda

The typical repair cost for addressing the P0797 Honda code can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

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Information for Specific Honda 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 Honda Code

1. What are the common symptoms of OBDII code P0797 in a Honda related to the Pressure Control Solenoid 'C'?

The common symptoms include harsh shifting, transmission slipping, decreased fuel efficiency, and the transmission may get stuck in one gear.

2. What can cause the Pressure Control Solenoid 'C' to get stuck on in a Honda?

Common causes of this issue include a faulty pressure control solenoid, low transmission fluid level, dirty or contaminated transmission fluid, or internal transmission damage.

3. How serious is OBDII code P0797 in a Honda?

Ignoring this code can lead to further damage to the transmission system, causing expensive repairs down the line. It is recommended to address this issue promptly.

4. Can I continue driving my Honda with the Pressure Control Solenoid 'C' stuck on?

It is not recommended to continue driving the vehicle with this issue as it can cause further damage to the transmission. It is best to have the problem diagnosed and repaired as soon as possible.

5. How can I diagnose OBDII code P0797 in my Honda at home?

You can use an OBDII scanner to retrieve the code and then inspect the transmission fluid level and condition. However, a professional diagnosis is recommended for an accurate assessment.

6. What is the typical repair process for fixing OBDII code P0797 in a Honda?

The repair process usually involves diagnosing the root cause of the issue, which may include replacing the pressure control solenoid, flushing and refilling the transmission fluid, or addressing any internal transmission damage.

7. Can I reset the OBDII code P0797 in my Honda after making the necessary repairs?

Once the repairs are completed, the OBDII code can be cleared using an OBDII scanner to reset the system. However, it is essential to ensure that the underlying issue causing the code has been resolved.

8. How much does it cost to repair OBDII code P0797 in a Honda?

The cost of repairs can vary depending on the specific cause of the issue and the extent of the damage. It is advisable to consult a professional mechanic for an accurate estimate.

9. Are there any preventive maintenance tips to avoid OBDII code P0797 in a Honda?

Regularly checking and changing the transmission fluid at recommended intervals can help prevent issues with the pressure control solenoid. Maintaining the transmission system can also help prolong its lifespan.

10. Is OBDII code P0797 a common issue in Honda vehicles?

While not extremely common, this code can occur in Honda vehicles, especially as they age or if the transmission system is not properly maintained. Regular servicing and inspections can help prevent such issues.

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