I went to my local AutoZone and ask that question they gave me a (free) key like thing that goes under your dash (they even showed me a picture of where to place the key)turn your ignition on and count the flashes on your service engine light, then call AutoZone and they will tell you what the flashes indicate the problem is. And it is all at no cost.
Mine does not. Perhaps you a low on coolant.
You can't. It requires a scanner to read them.
That requires an OBDII engine scanner to read the transmission codes.
what buttons are used to bring up codes on display of 1994 cadillac etc
To tell you to read the diagnostic codes.
Read what it says on the OIL filler cap....
YOU CAN"T. Engine must be scanned
Many auto parts stores will read the codes for you for no cost if you purchase the parts needed for repairs from them.
The OBD2 system will not BLINK codes for you. It requires a engine scanner to read the codes. HAVE ENGINE SCANED. Some parts stores will do that for free.
Take it to Auto Zone and have the codes read free. I t should tell you why the light is comming on.
96 on up you need a code scanner,you can take it to auto zone to have the codes read ,free of charge.
It takes a scanner to read the codes.