DTC P1027 BMW
Valvetronic (VVT) Self-Learning Function Faulty Lower Learning Range (Bank 2)
Valvetronic (VVT) Self-Learning Function Faulty Lower Learning Range (Bank 2)
Description
With the engine running, the fault is an out of range adjustment for the self-learning function of the VVT at the lower range. Check the installation and the mechanical components for wear.
Cause and Solution
Stuck at upper travel limit
Defective sensor (magnet missing)
Travel limit worn or deformed
Wear in idler lever
Video Guide
Diagnostic Info
- DTC Code: P1027
- Brand: BMW