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DTC codes / P27xx · Transmission / P27E2
This code indicates that the vehicle's computer has detected insufficient pressure from the electric or auxiliary transmission fluid pump labeled 'B'. The pump is responsible for maintaining hydraulic pressure for gear engagement and lubrication, and low pressure can lead to poor shift quality or transmission damage.
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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