RAM U1009: Lin 2 Bus

Is your scanner showing RAM U1009?
No worries. We'll show you what it means and how to deal with it.

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OBDCodex, Editor

RAM U1009: Lin 2 Bus

DIY Difficulty Level
Repair Cost
Can I Still Drive?
Yes (Short-term only)

What Does The RAM U1009 Code Mean?

The Body Control Module (BCM) is the Local Interconnect Network (LIN) master for the modules and components on the LIN circuit. The BCM monitors the LIN circuit for any concerns.

What Are The Potential Causes Of The RAM U1009 Code?

  • LIN bus circuit shorted to ground
  • LIN bus circuit shorted to voltage
  • Inside rearview mirror
  • Body control module (BCM)

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

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

Reference Sources


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