How to Fix P0790 Shift/Timing Solenoid Range/Performance

Introduction

If you’re experiencing issues with your car’s transmission, specifically the P0790 Shift/Timing Solenoid Range/Performance code, you’re not alone. This code indicates that there is a problem with the shift/timing solenoid, which can cause a variety of issues with your car’s performance. Fortunately, with a little bit of knowledge and some DIY skills, you can fix this problem yourself. In this article, we’ll provide you with step-by-step instructions on how to fix the P0790 code and get your car running smoothly again.

What is the P0790 Shift/Timing Solenoid Range/Performance Code?

Before we dive into the steps to fix this code, let’s first understand what it means. The P0790 code is a generic powertrain code that indicates a problem with the shift/timing solenoid. This solenoid is responsible for controlling the flow of transmission fluid in your car’s transmission. When there is an issue with this solenoid, it can cause a variety of problems, including harsh shifting, slipping gears, and even transmission failure.

Step-by-Step Guide to Fixing the P0790 Code

Now that we understand what the P0790 code means, let’s get into the steps to fix it.

Step 1: Check the Transmission Fluid

The first step in fixing the P0790 code is to check the transmission fluid. Low or dirty transmission fluid can cause a variety of transmission problems, including issues with the shift/timing solenoid. To check the transmission fluid, locate the transmission dipstick under the hood of your car. Pull the dipstick out and wipe it clean with a rag. Then, reinsert the dipstick and pull it out again. Check the level and color of the fluid. If the fluid is low or dirty, you’ll need to add or replace it.

Step 2: Replace the Shift/Timing Solenoid

If the transmission fluid is not the issue, the next step is to replace the shift/timing solenoid. This solenoid is located inside the transmission and can be accessed by removing the transmission pan. To replace the solenoid, you’ll need to drain the transmission fluid, remove the pan, and locate the solenoid. Once you’ve located the solenoid, remove it and replace it with a new one. Then, reassemble the transmission pan and refill the transmission fluid.

Step 3: Clear the Code

After you’ve replaced the shift/timing solenoid, you’ll need to clear the P0790 code from your car’s computer. To do this, you’ll need an OBD-II scanner. Connect the scanner to your car’s OBD-II port, which is usually located under the dashboard on the driver’s side. Follow the instructions on the scanner to clear the code.

Useful Tips

Here are some useful tips to keep in mind when fixing the P0790 code:

– Always wear protective gear, such as gloves and safety glasses, when working on your car.
– Make sure you have all the necessary tools and parts before starting the repair.
– Follow the manufacturer’s instructions when replacing the shift/timing solenoid.
– Use high-quality transmission fluid to ensure optimal performance.

Conclusion

Fixing the P0790 Shift/Timing Solenoid Range/Performance code may seem daunting, but with the right knowledge and tools, it can be done. By following the steps outlined in this article, you can fix this issue and get your car running smoothly again.

FAQs

1. Can I drive my car with the P0790 code?

It’s not recommended to drive your car with the P0790 code. This code indicates a problem with the shift/timing solenoid, which can cause a variety of transmission issues. Continuing to drive your car with this code can cause further damage to your transmission.

2. How much does it cost to fix the P0790 code?

The cost to fix the P0790 code can vary depending on the make and model of your car and the severity of the issue. On average, you can expect to pay between $200 and $500 for parts and labor.

3. How can I prevent the P0790 code from happening again?

To prevent the P0790 code from happening again, make sure to regularly check and replace your transmission fluid. Additionally, avoid harsh driving habits, such as sudden acceleration or hard braking, which can put extra strain on your transmission.