BMW P1066: Valvetronic (VVT) CAN Message Monitoring Faulty Actual Message
Is your scanner showing BMW P1066?
No worries. We'll show you what it means and how to deal with it.
BMW P1066: Valvetronic (VVT) CAN Message Monitoring Faulty Actual Message
OVERVIEWWhat Does The BMW P1066 Code Mean?
This code indicates the condition that after the DME is active or the engine running for 500ms, with a voltage of 7 on Terminal 87, the monitoring system displayed a faulty message.
What Are The Potential Causes Of The BMW P1066 Code?
Below are some potential causes of this DTC:
- ECU failure (or SZL or ZGM)
- Bus system failure
- Defective bus controller (SZL or ZGM)
- Short circuit in CAN wire or open circuit.
- Defective DME
- Defective VVT-SG
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 Electronic Control Unit (DME) - Genuine BMW 12147551615
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW P1066, DTCDECODE.
