The trouble codes on an 1988 Dakota are two digit codes. Code 1 does not exist.
your main computer -pcm- is bad. This is an internal error which can only be repaired by replacement.
Start error means that the "chipped" key message is not getting to the proper computers. You need a scan tool to check codes in the engine, skim, cluster, etc.
Check engine is an error. You have to go at a garage to see what is the error code, then correct the problem.
With a scan tool.
You need a scan tool, or cycle the key on,off,on,off,on and depending on the year either count the flashes of the check engine light or read the code in the odometer.
It is done flashing codes. If that is the only message you got, there are no codes present.
P0725 Engine Speed Input Circuit Error.
P0601 Internal Control Module Memory Check Sum ErrorThe engine computer has failed.P0601 Internal Control Module Memory Check Sum ErrorThe engine computer has failed.
If you mean the check engine light, the general answer is, it means you should take it somewhere that can check the error code. I don't know where you are, but in my city, Autozone will do it for free. The check engine light can indicate any number of things and anyone answering the question the way you asked it would be simply making a random guess.
With a scan tool.
P0302 is cylinder #2 misfire. see related questions below