I have a 2012 Mazda 3 with a u0101 code in some of the modules. Checked all powers,grounds and communications circuit. All show good. Intermittent problem. Wiggle tested wiring harnesses. Is this something u can repair? If so, how much n how long would it take?
Code, U0101 is a code for your TCM. Loss of communication. This is a service that we provide. There is a 3-5 day turnaround time for the service at the time due to high volume. The cost is $199.99 plus shipping. Please visit our website, UpFix.com to create your order, view pricing and print out a FedEx shipping label that you can use to ship your part to us. We will send you a notification for payment once we are done with the service.
https://www.upfix.com/product/tcm-mazda-3-2006-2014-transmission-control-module-repair-tcm-tcu/