BMW P1890: TCC Power Supply Upper Threshold
Is your scanner showing BMW P1890?
No worries. We'll show you what it means and how to deal with it.
BMW P1890: TCC Power Supply Upper Threshold
OVERVIEWWhat Does The BMW P1890 Code Mean?
Engine started to 400rpm, FET enabled, vehicle driven in gear with VSS signals received, and the DME detected a the battery voltage was less than the threshold value (less than 9 volts) while in normal operation.
What Are The Potential Causes Of The BMW P1890 Code?
- TCC solenoid has a mechanical failure
- TCC solenoid has a hydraulic failure
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
>>> BMW Torque Converter Lockup Solenoid - Genuine BMW 24327532013
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW P1890, DTCDECODE.
