if you disconnect the battery for at least 5 minutes then reconnect it ,it will reset the check engine light
After reading the code, and repairing the codes, you reset code with a scan tool.
turn the key on and off 3 times and count the check engine flashes
Turn the ignition key off and on three times. You will see the check engine light go off and on. Count the times the light goes off and on. Those are the codes.
Either with a scanner, or cycle key on, off,on,off,on. and count the flashes of the check engine light. three pause three would be 33
The code numbers are two didgit codes. That was probably a 12 and a 55. 12 is start of message, 55 is end of message. Basically that means there are no trouble codes.
cycle the key three times and count the blinks of the check engine light
it is the completion of the codes
The related link below gives the trouble codes for a 1995 grand voyager.
You may have an electrical fault code. Have the codes read by a service tech.
To reset the "Service Engine Soon" light on a Plymouth Voyager, you can disconnect the negative battery terminal for about 15 minutes to clear the engine codes. Alternatively, you can use an OBD-II scanner to erase the error codes that triggered the light. If the light comes back on, it's important to diagnose and address the underlying issue causing it. Always consult the vehicle's manual or a professional mechanic for specific guidance.
If the engine is the same the answer is most likely yes. Run the 2 VIN codes at carfax.com and if the engines match....you have a winner.
Diagnostic Code 51 for a 1994 Plymouth Voyager is the vehicle running too rich or too lean on fuel. Diagnostic Code 35 has to do with the cooling fan for the engine. It is not coming on at the proper times due to a short or a bad fuse.