You reset the check engine light with a scan tool after repairing the failure.
Reset tje battery
You can reset the check engine light on a 2007 Dodge Dakota by unhooking the battery. Leave it unhooked for 10 minutes before reconnecting it.
If the problem has been fixed and the light remains on you need to disconnect the battery and then reconnect it. That should reset the check engine light.
You reset it with an OBD2 scan tool.
Most any code reader that plugs into diagnostic port can reset
You need to repair the problem that set the light and then use an OBD2 scan tool to reset the light. If you do not fix the problem the light will just come back on.
You use a scan tool after repairing the cause of the code.
Try unhooking your battery cables for a few minutes. That usually works for me.
It requires a scan tool, but first the cause of the code has to be repaired.
As on all cars, you need an ECM scanning tool to reset the stored codes in the computer to turn off the check engine light. Many auto part stores will do this for free.
I replaced a broken Gas Cap 2 weeks ago and the Check Engine Light came on 1 week ago. I got the code P4055 today - and am hoping that the New Gas Cap will fix the problem. How can I reset the Check Engine Light?