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DTC codes / P27xx · Transmission / P274E
P274E indicates that the transmission control module has detected an intermittent fault in the signal circuit for transmission fluid temperature sensor C, which is typically the sensor monitoring the fluid temperature at the cooler or torque converter outlet. The circuit intermittently drops out or returns an erratic voltage that the module cannot trust, so it sets this code and may substitute a default temperature value for shift and pressure calculations.
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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