When diagnosing problems with a Chrysler, the first step is to analyze the code P1685. This code indicates that the Smart Key Immobilizer Module (SKIM) has received an invalid key from the driver. This could be a sign of a theft attempt or mean the driver has used the wrong key. In any case, the consequences of this code are serious and need to be addressed promptly. The causes of this code can range from a theft attempt to an incorrect key being used. Solutions to this problem include obtaining the correct key and doing a PCM reset function after engine startup. This article will discuss the causes and solutions of a Chrysler code P1685.
đź‘€Look at this:Â Chrysler Code P0850
Causes and Solutions of Chrysler Code P1685
| Cause | Solution |
|---|---|
| Theft Attempt | Obtain the correct key and attempt to start the vehicle |
| Incorrect Key Used | Do a PCM Reset function to clear the code after the engine startup |
| Damaged Key | Replace the key with a new one |
| Mismatched Key | Check if the key matches the car’s immobilizer system |
Diagnosing and fixing a Chrysler code P1685 can be difficult if you don’t know what you’re doing. This code indicates that the Smart Key Immobilizer Module (SKIM) has received an invalid key, which can be a sign of a theft attempt or an incorrect key. If you’re experiencing this issue, it’s important to know the causes and solutions to fix it. Causes of this code can range from a theft attempt to an incorrect key being used, and solutions can include obtaining the correct key and doing a PCM reset function after engine startup. Knowing the causes and solutions of this code can help you quickly diagnose and repair this issue.
Theft Attempt
If a theft attempt causes a Chrysler code P1685, first, you should obtain the correct key and attempt to start the vehicle. If the key is the correct one, the car should start. If it doesn’t start, then it’s possible that the key has been damaged, and you should replace it with a new one.
Incorrect Key Used
If an incorrect key was used, you must do a PCM reset function to clear the code after engine startup. This can be done by disconnecting the battery for a few minutes and then reconnecting it. Doing this should clear the code and allow the vehicle to start again.
🎯Suggested article: Chrysler Code P0010
Damaged Key
If the key is damaged, replacing it with a new one is important. Replacing the key should fix the issue if you get one that matches the car’s immobilizer system.
Mismatched Key
If the key doesn’t match the car’s immobilizer system, it’s important to check the key to ensure it’s the right one. Once you confirm that the key is correct, you should be able to start the car without any issues.
🚀Recommended article: Chrysler Code P054A
Conclusion
Chrysler code P1685 is an issue that can be caused by various problems, ranging from a theft attempt to an incorrect key being used. Knowing the causes and solutions of this code is important to diagnose and repair this issue quickly. Understanding the causes and answers can quickly fix the problem and get your Chrysler back on the road.
Was this page helpful?