Incredible Is Service Engine Soon A Check Engine Light 2023. For instance, if you have a nissan, the “service engine soon” and “check engine” light mean the same thing. Hence, if your vehicle’s control module detects an issue with the transmission, the check engine light will turn on while at the same time increasing tailpipe emissions.

It can tell you when something is seriously wrong with your engine, necessitating immediate service. Service engine soon light is less severe than check engine light. Common causes of the service engine soon light.