Jeep owners know that their vehicles are more than just a way to get around. They are a way of life. And when something goes wrong with your Jeep, you need to know how to test your computer in order to diagnose and fix the issue. In this blog post, we will walk you through the process of testing your Jeep computer and provide some tips and tricks for making the process easier. Let’s get started!
Signs of Faulty PCM
The first step in testing your Jeep computer is to check for signs of a faulty PCM. Some common symptoms of a bad PCM include:
- Engine won’t start
- Engine stalls unexpectedly
- Check engine light is on
- Vehicle runs rough or hesitates while driving
If you notice any of these symptoms, it’s time to test your Jeep computer.
Let’s Begin
There are two main ways to test your Jeep computer: with a diagnostic code reader or by performing a visual inspection. Let’s take a look at each method in more detail.
Diagnostic Code Reader
A diagnostic code reader is the fastest and easiest way to test your Jeep computer. This device plugs into your vehicle’s OBD II port and reads the codes that are stored in the PCM. Code readers can be purchased at most auto parts stores or online. You can read more about it here.
Once you have your code reader, follow these steps to test your Jeep computer:
- Connect the code reader to your Jeep’s OBD II port.
- Turn on the code reader and select the “Read Codes” function.
- Follow the instructions on the code reader to read the codes that are stored in the PCM.
- Write down any codes that are displayed and research what they mean.
Visual Inspection
If you don’t have a diagnostic code reader, you can perform a visual inspection of your Jeep’s computer. This method is not as accurate as using a code reader, but it can still be helpful in diagnosing issues.
To perform a visual inspection, follow these steps:
- Locate the PCM on your Jeep. The PCM is typically located under the hood, near the battery.
- Remove the cover from the PCM and inspect it for any physical damage.
- Check the connections to the PCM and make sure they are all secure.
- Look for any burnt or damaged components on the PCM.
If you find any damage to the PCM, it will need to be replaced. If there is no physical damage, you can try reconnecting any loose connections and see if that fixes the issue. If not, you may need to have your Jeep computer professionally tested or replaced. You may also be interested in soft top for your Jeep. In this case you can choose it here https://www.jeepzine.com/best-soft-top-for-jeep-wrangler/.
What Next
If your Jeep’s computer is not functioning properly, it will need to be replaced. You can purchase a replacement Jeep computer from most auto parts stores or online. When installing a new Jeep computer, be sure to follow the instructions that come with the unit. Improper installation can damage the unit and cause it to malfunction. Thank you for reading! We hope this blog post has been helpful. If you have any questions, please feel free to contact us. We are always happy to help!
