With a scan tool.
A scan tool is required to read the trouble codes.
To reset the check engine light on a Chrysler Pacifica, you can use an OBD-II scanner to clear the trouble codes that triggered the light. Alternatively, you can disconnect the negative battery terminal for about 15 minutes, then reconnect it. However, it's important to address the underlying issue that caused the light to come on before resetting it. If the light returns, it may indicate a persistent problem that needs further diagnosis.
There are pages of items that will turn the check engine light on. You need to have the system checked for codes to know possible causes.
With a scan tool.
A scan tool or code reader is required to read the trouble codes on a 2001 Chrysler Town and Country.
Transmission code present. You need to check the TCM for codes to know possible causes.
There are pages and pages of things that will turn the check engine light on. You need to have it checked for codes, and can diagnose from there.
Have it checked for codes, That is the same as the check engine light.
Have vehicle scanned to determine the problem and have codes cleared
Any engine codes, check cam and crank sensors.
Chrysler does not have reset switches. You need to check for trouble codes with a scan tool.Chrysler does not have reset switches. You need to check for trouble codes with a scan tool.
find out what it is.... (preferably with a scanner) fix it... , clear codes with scanner