Will not turn over, dash warning message "key not detected"

Tiny
ANTHONY52274
  • MEMBER
  • 2015 FORD FOCUS
  • 2.0L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 140,000 MILES
When I put the key in the ignition and try to crank it all the lights and electrical stuff turn on, but it will not turn over. It says key not detected.
Thursday, June 30th, 2022 AT 9:10 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,959 POSTS
This means the chip in the key is not working or the car has forgotten the key code. Can you try your extra key to see if it works? I would remove the negative battery cable and touch it to the positive terminal for one minute to clear and reboot the system to see what happens.

If that does not fix it let's do a CAN scan which is the future of automotive repair, you can get a CAN scanner from Amazon for about $30.00. Here is a video to show you how and a link to a scanner from Amazon. This will tell us what is happening.

https://youtu.be/u-4syLc-ifQ

and

https://amzn.to/3OpAotj for the scanner

Please let us know what you find. We are interested to see what it is.

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Friday, July 1st, 2022 AT 6:13 PM

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