I am using a MaxiCOM MK808TS. This is for my personal truck, so I am used to the questions asked when performing scans. I typically get 2 or 3 questions related to the RPO and now those do not happen. I am getting information on the D.I.C stating Service four-wheel drive, stabilitrac, and others but they are not throwing codes. The four-wheel drive selector, TCCM, front differential actuator, and transfer case encoder motor are all new. All wiring looks and tests good. Actuator tests successful work via the scanner. The last time (about a month ago) I was able to perform a range relearn to cure the problem but there were codes present to select from. How can I have the scanner relearn without codes present? The only communication failures are related to the factory radio being changed out. Please let me know if more details or information is needed to proceed.

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