![]() Check phone - connect phone to another device (PC or another vehicle) and communicate (not just charge/power) through same cable used in vehicle.Ģ. ![]() Grab a Snicker's bar because you aren't going anywhere for a while, but at this point, shortcuts probably aren't shorter.ġ. Hardware might be specific to the device it is connected to, working with 1 device but not another, because of noise and signal strength tolerance. Hardware failures can be intermittent, they aren't necessarily all of nothing problems. Light technical info - USB cables have 4 wires - 2 power, 2 data/communications - so 1 function (communications or charging) might work but not the other. ![]() ![]() View as just 3 parts: phone-cable-truckįor each test - verify communicating through cable, not wirelessly, by disconnecting cable and verifying communications is instantly lost. Functional check of hardware (some of these you've already done) ![]()
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