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  1. T

    Voltage spike when braking

    Yes. It did not trigger the voltage spike
  2. T

    Voltage spike when braking

    not specifically, but it doesn't happen in reverse or just parked. I would think if it was a brake switch, it wouldn't matter if I was moving or not. Correct?
  3. T

    Voltage spike when braking

    2012 Rubicon. Getting C2101, C2103 & C102B when braking hard. The battery, ABS & traction control light come on, but can be reset when turning off/on. Changed the wheel speed sensor and connector (I broke the connector). I can see the voltage spike to around 16 volts on a graphing scanner...