What does code P1739 mean?

Q: What does code P1739 mean?

Slip Solenoid. P1739 on Mazda vehicles indicates that the transmission control module has detected an electrical fault in the slip solenoid circuit, which controls hydraulic pressure for smooth clutch engagement. The computer monitors the solenoid's electrical current and flags the code when the signal falls outside the expected range, often due to a short or open circuit.

DTC codes / Mazda codes / P1739

P1739 · MazdaSlip Solenoid

P1739 on Mazda vehicles indicates that the transmission control module has detected an electrical fault in the slip solenoid circuit, which controls hydraulic pressure for smooth clutch engagement. The computer monitors the solenoid's electrical current and flags the code when the signal falls outside the expected range, often due to a short or open circuit.

SystemPowertrain

Code typeMazda specific

SeverityMedium

Fix difficultyIntermediate

AreaTransmission

Guidance is general and written for Mazda vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.