Audi P1850: Data-Bus Drive Train Missing Message From Engine Control Module

Is your scanner showing Audi P1850?
No worries. We'll show you what it means and how to deal with it.

Presented by
Randy Worner

Audi P1850: Data-Bus Drive Train Missing Message From Engine Control Module

OVERVIEW
Severity
:
Medium
DIY Difficulty Level
:
Advanced
Repair Cost
:
$75-$200
Can I Still Drive?
:
Yes

What Does The Audi P1850 Code Mean?

No signal within 300 ms, CAN bus ok –500 ms after ign. ON.

What Are The Potential Causes Of The Audi P1850 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
>>> Audi Engine Control Module

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Audi P1850, DTCDECODE.

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