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4:59 beginning of the practical part of the video on working with a malfunction via CAN. The video consists of two parts. In the first part, a little chatter, I will tell you how to choose electrical tape for working with cars. The second part is technical in nature, about how to check a car connector for OBDII scanning using a multimeter, tester, using the example of a BMW X4. It is impossible to make diagnostics, the scanner does not see the car, the CAN bus is gone. Auto electrician, diagnostics, auto electrics, electronics, auto repair.