Review Of 2015 Jetta Check Engine Light No Codes Ideas. Web it can talk to all of the computers in the car, do output test, logs, change settings. Sometimes it can take a few drive cycles for your car’s check engine light to shut down.

Regardless, i checked the gas cap (was fine) and disconnected the battery for 10 minutes and the light cleared. I have a 2010 tdi jetta cjaa. Web the biggest step you can take to prevent future no codes with your check engine lights is to buy a better odb2 reader.
