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DTC codes / P2Cxx · Hybrid propulsion / P2C93
P2C93 indicates that the hybrid or electric vehicle battery contactor control supply circuit is not performing within its expected range, meaning the voltage or current on the control side of the main battery contactor is outside the manufacturer's specification. The computer monitors this circuit and sets the code when it detects an abnormal condition that could prevent the contactor from opening or closing reliably.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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