What does code P1734 mean on BMW vehicles?
The transmission control system detects an electrical malfunction in pressure control solenoid B.
OBD-II Code BMW
P1734 — BMW — Pressure Control Solenoid "B" Electrical
The transmission control system detects an electrical malfunction in pressure control solenoid B.
Common symptoms
- Erratic shifting
- transmission performance issues
Possible causes
- Faulty pressure control solenoid
- wiring fault
Initial recommendation
Perform transmission diagnostics and test pressure control solenoid B.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine BMW code P1734 with your vehicle's actual symptoms for more complete diagnostic guidance.
Go to the app View more brands