BMW P1023: Valvetronic (VVT) Self-Learning Function Faulty Adjustment Range (Bank 1)
Is your scanner showing BMW P1023?
No worries. We'll show you what it means and how to deal with it.
What Does The BMW P1023 Code Mean?
This code indicates the condition that with the engine running, the fault is an out of range adjustment for the self-learning function of the VVT. Check the balance spring installation and the mechanical components for wear.
What Are The Potential Causes Of The BMW P1023 Code?
Below are some potential causes of this DTC:
- Stuck at upper travel limit
- Travel limit worn or deformed
- Wear in idler lever
- Torque compensation spring missing or not connected
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> BMW Repair Kit For Idler Lever
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW P1023, DTCDECODE.
