Volkswagen P1855: Data BUS Powertrain Software Version Control
Is your scanner showing Volkswagen P1855?
No worries. We'll show you what it means and how to deal with it.
Volkswagen P1855: Data BUS Powertrain Software Version Control
OVERVIEWWhat Does The Volkswagen P1855 Code Mean?
The Engine Control Module (ECM) communicates with all databus-capable control modules via a CAN databus. These databus-capable control modules are connected via two data bus wires which are twisted together (CAN_High and CAN_Low), and exchange information.
What Are The Potential Causes Of The Volkswagen P1855 Code?
- Check the Terminal resistance for CAN-bus
- Data-Bus wires have short
- Data-Bus components are malfunctioning
- ECM has failed
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
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Volkswagen Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Volkswagen P1855, DTCDECODE.
