Volkswagen P1637: Data BUS Powertrain Missing Message From Central Electrical Control
Is your scanner showing Volkswagen P1637?
No worries. We'll show you what it means and how to deal with it.
Volkswagen P1637: Data BUS Powertrain Missing Message From Central Electrical Control
OVERVIEWWhat Does The Volkswagen P1637 Code Mean?
Ignition off, the ECU is missing general Data BUS information from the central electrical control. The Engine Control Module (ECM) communicates with all databus-capable control modules via a CAN databus. These databus-capable control modules are connected.
What Are The Potential Causes Of The Volkswagen P1637 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 P1637, DTCDECODE.
