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DTC codes / P28xx · Transmission / P288C
P288C indicates that the control circuit driver for the engine disconnect clutch actuator has detected excessive current or temperature, meaning the actuator is drawing too much power or the driver circuit is overheating. The computer monitors the driver's current and temperature and sets this code when either exceeds safe limits, often due to a shorted actuator, damaged wiring, or a failing control module.
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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