The preferred method is to use a scan tool after repairing the cause of the code.
Trouble code P1490 means: Low speed fan control relay circuit
After repairing the cause of the code, you clear the code with a scan tool.
Trouble code P1698 means: No CCD Messages Received From The TCM CCD is the comunication system Chrysler uses between computers.
The OBD 2 plug is located under the dash on the driver side.
The 2007 Chrysler PT Cruiser OBD 2 port is under driver side dash next to kick panel
The OBD connector is under the dash on the driver side.
The only way to clear any emission code on an OBD II vehicle is with a scanner. Disconnecting the battery won't do it. An OBD II vehicle is any vehicle sold new in the US after 1996.
There should be a button that says erase. Hold it down for a second and it should clear them. Have the key in the on position with the car NOT running.
The 2002 Chrysler Sebring OBD 2 port is underneath instrument panel, near steering column
What does obd code P0740 mean
The 2001 Chrysler Sebring OBD 2 port is underneath instrument panel, near steering column
ob II code reader your local parts store should borrow one