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DTC codes / P27xx · Transmission / P27BD

P27BDPressure Control Solenoid N Control Circuit / Open

P27BD indicates that the transmission control module (TCM) has detected an open circuit or electrical fault in the control circuit for pressure control solenoid N, which is used to regulate hydraulic pressure inside the transmission. The computer monitors the solenoid's electrical path and sets this code when expected current flow is absent or out of range, meaning the solenoid cannot be commanded properly.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyProfessional
AreaTransmission

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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