I want to buy a 2023ish CX-5 but I can’t find where the TCU is located exactly (“telematics” isn’t even found in the digital car manual) and whether the car still runs and the odometer works correctly if I physically remove it.

  • macleodcj13@alien.topB
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    1 year ago

    As far as removing the TCU, probably not the best idea. As someone else stated it’s connected to the CAN bus along with almost every other ecu in the vehicle. Each of those ECUs need to see a signal from the other ones in order to work properly. Removing that TCU will give you a network malfunction issue and will likely disable other things like the keyless entry, push to start, smart braking, LKA, and basically anything else running in that part of the CAN bus. Not sure if it would work but perhaps just wrapping the TCU in a emf shield or something (think tin foil hat) could keep you from receiving a slew of network codes and hindering the TCU from communicating to the network. Will it give you an error message because it can’t communicate? No clue.