DTC codes / Subaru codes / P1705
P1705 on a Subaru indicates that the Transmission Control Module (TCM) has detected an electrical fault in the circuit for the 2-4 brake pressure solenoid valve, specifically the 'D' circuit. This solenoid is part of the transmission valve body and manages hydraulic pressure for the 2-4 brake band during shifts, so the TCM monitors its current draw and voltage to ensure proper operation.
Guidance is general and written for Subaru vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
Get the app
Quick access from your home screen.