Hi every body, make sure you are using the chrysler adapter the black one some times the adapter does not come with the scanner has to be purchace , you will not be able to communicate with many diiferent modules depending on year make and models and one more thing software verssing 6.0 has fix most of the issues if not all and one more thing check for high voltage on the data line you could have a bad module not letting you connect with other modules in the same data line hope this helps you. good day