BMW P1801: Solenoid Valve 1 Lower Threshold
Is your scanner showing BMW P1801?
No worries. We'll show you what it means and how to deal with it.
BMW P1801: Solenoid Valve 1 Lower Threshold
OVERVIEWWhat Does The BMW P1801 Code Mean?
The signal to/from the pressure regulator valve is interrupted or short circuited to ground.
What Are The Potential Causes Of The BMW P1801 Code?
Below are some potential causes of this DTC:
- Pressure control solenoid circuit is shorting to ground
- Pressure control solenoid circuit is open
- Valve has failed
- TCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> KAIWEETS Digital Multimeter
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW P1801, DTCDECODE.