2016 Nissan Altima I-Key System Error – How to Fix It

by parker
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If you own a 2016 Nissan Altima and are experiencing the frustrating i-Key system error code every time you start your car, then you’ve come to the right place. In this article, we will guide you through the process of fixing this issue step by step. We’ll discuss the possible causes of the error code, explain the solution, and provide you with the necessary information to resolve the problem. So let’s dive in and get your Nissan Altima back on the road without any system errors!

The Hood Switch and Diagnostic Error

The first step in resolving the i-Key system error code is to understand what might be causing it. According to our expert analysis, one of the common causes of this error is a faulty hood switch. Your Nissan Altima is equipped with a remote start system, and if your i-Key has a remote start button, it means that a hood latch should also be installed. The electrical connector on the hood latch is essential for the proper functioning of the remote start feature.

To diagnose the issue, you’ll need a code scanner. Connect the scanner and retrieve the error message associated with the i-Key system error code. If you find a hood switch can diagnostic error, then the hood latch might be the culprit. This is a somewhat unusual cause for the error code, but it has been known to occur.

The Fix: Installing a New Hood Latch

To fix the i-Key system error code, you’ll need to install a new hood latch with the electrical connector. Follow these step-by-step instructions to resolve the problem:

  1. Open the hood of your Nissan Altima and locate the existing hood latch. It is secured with two 10 millimeter bolts.
  2. Remove the bolts using a suitable wrench or socket, and carefully slide out the old hood latch.
  3. Examine the connector on the old latch and ensure that it is connected properly and undamaged. If there are any issues, replace the entire latch.
  4. Install the new hood latch with the electrical connector into the designated slot and secure it with the two bolts.
  5. Double-check the connection to ensure that it is secure and that there are no loose wires or connections.
  6. Close the hood and start your car to check if the i-Key system error code has been resolved.

Recalls and Important Considerations

It’s worth noting that Nissan conducted several recalls related to the hood latch and remote start system. As part of these recalls, Altima owners with the remote start feature were provided with two new keys and a new hood latch with an electrical connector. The purpose of these measures is to improve the functionality and reliability of the system.

If you are experiencing the i-Key system error code and haven’t had these recalls performed on your vehicle, it is highly recommended that you contact your local Nissan dealership. They will be able to assist you in determining if your car is eligible for one of these recalls and provide you with the necessary parts and services to fix the issue.


In conclusion, the 2016 Nissan Altima i-Key system error code can be frustrating, but with the right guidance, it can be resolved. By installing a new hood latch with the electrical connector, you can eliminate the error code and ensure that your remote start system functions as intended. If your Altima is equipped with the remote start button, it is crucial to have the corresponding hood latch with the electrical connector installed.

Remember to consult your code scanner for the specific error message associated with the i-Key system error code. If you discover a hood switch can diagnostic error, the hood latch is likely the cause. Follow the step-by-step instructions provided in this article to replace the hood latch and fix the issue.

If you haven’t had the necessary recalls performed on your Nissan Altima, it is advisable to contact your local dealership for assistance. They will be able to determine if your vehicle is eligible for a recall and provide the essential parts and services to resolve the problem.

Don’t let the i-Key system error code hold you back from enjoying your Nissan Altima’s remote start feature. Take action today and get back on the road error-free!

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