You need a scan tool to read codes. ....
You need a engine scanner and then go into transmission trouble codes. Write them down,get a book, look them up, and read. Most scanners will tell you whats going on.
If you can not read codes with a scanner you have a wiring problem.
I use a scan tool.
A sacn tool is required.
The 1995 Windstar uses the current ODB-II diagnostics scanner and codes.See "Related Questions" below for more about reading and responding to trouble codes.
Try your local auto part store. The ones near me will read the codes for free. --Ken
Reading the codes in a GM is possible without a scantool only through the 1995 model year.
A scan tool or code reader is required to read the trouble codes on a 2001 Chrysler Town and Country.
With your key in the ignition switch and in the off position, switch key to on (not to start), then back to off, then on, off again, then on a third time. If you have trouble codes they will read on your odometer display. For example: P0303, etc. When it is done displaying codes or if there are no codes, it will read P done.
you need a obd2 scanner, which plugs into a port under dash, on the driver side.
It's a NexIQ scanner with Snap-On case.. yes, it'll read and display DTCs.