**2017 Nissan Sentra: Resolving the Key System Error Issue and Programming New Keys**

by parker
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Introduction

In this article, we will discuss how to resolve the “Key System Error” issue that may occur in the dash of a 2017 Nissan Sentra. This error message can sometimes confuse car owners and lead them to believe that there is a serious problem with their vehicle. However, we will outline a step-by-step process to rectify this issue and program new keys using the Smart Pro tool. By the end of this article, you will have a clear understanding of how to resolve the Key System Error and successfully program your keys.

Key Points:

  1. Identification of the problem: The “Key System Error” message may appear on the dashboard of a 2017 Nissan Sentra when programming new keys.
  2. Key programming tool: The Smart Pro tool is required to program new keys for the Nissan Sentra.
  3. Initial steps: Switch off the ignition and turn on the hazard lights before starting the key programming process.
  4. Programming the keys: Hold the Smart Pro tool against the start/stop button and press it to initiate the key programming process. The security light will flash five times, and a Key System Error message may appear temporarily.
  5. Key verification: After programming the keys, switch off the ignition and then switch it back on while holding one of the programmed keys against the start button. If the key has been successfully accepted, no flashes will occur.
  6. Completing the process: Turn off the switch, open, and close the door to complete the steering lock registration.
  7. Functionality check: Test the newly programmed keys by using the buttons and starting the car. The warning light and security light should be turned off, indicating successful key programming.

Step-by-Step Process

  1. Begin the key programming process by switching off the ignition and turning on the hazard lights.
  2. Select the Nissan Sentra 13 to 18 proximity key programming option on the Smart Pro tool.
  3. Hold the Smart Pro tool against the start/stop button and push the button to initiate the programming process.
  4. Observe the security light, which will flash five times, indicating the start of the key programming process.
  5. Note that a Key System Error message may momentarily appear on the dashboard. Ignore this message as it is a common occurrence during key programming and does not indicate a problem with the vehicle.
  6. Ensure that you have the correct key part number for your Nissan Sentra by checking the vehicle identification number (VIN).
  7. Once the key programming is complete, the Key System Error message will disappear.
  8. Switch off the ignition and wait for a few seconds before turning it back on.
  9. Hold one of the newly programmed keys against the start button while switching on the ignition again.
  10. If the key has been successfully accepted, there will be no flashes from the security light.
  11. Turn off the switch and proceed to open and close the door. This step is necessary to complete the steering lock registration process.
  12. Test the functionality of the newly programmed keys by using the buttons and starting the car.
  13. Notice that the warning light and security light are turned off, indicating that the key programming process was successful.

Conclusion

In conclusion, encountering a “Key System Error” message on the dashboard of a 2017 Nissan Sentra can be worrisome. However, it is important to understand that this is a normal occurrence during the key programming process and does not indicate a problem with the vehicle. By following the step-by-step process outlined in this article and using the Smart Pro tool, you can resolve the Key System Error issue and successfully program new keys for your Nissan Sentra. Enjoy the convenience and peace of mind that comes with having fully functional and programmed keys for your vehicle.

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