DTC P1031 BMW
Valvetronic (VVT) Actuator Monitoring Recognition of Direction of Rotation Plausibility (Bank 1)
Valvetronic (VVT) Actuator Monitoring Recognition of Direction of Rotation Plausibility (Bank 1)
Description
The engine is on and running for 63 to 498ms at 9.6 to 15.5 volts. Check to determine whether adjustment can be approved. Check VVT system once before each power application within one driving cycle for correct servo motor polarity and sticking in the sys
Cause and Solution
Low battery charge
Open motor control circuit
Motor shorted to ground
Video Guide
Diagnostic Info
- DTC Code: P1031
- Brand: BMW