Jeep U1149: Lost Communication With Multi-Function Switch

Is your scanner showing Jeep U1149?
No worries. We'll show you what it means and how to deal with it.

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OBDCodex, Editor

Jeep U1149: Lost Communication With Multi-Function Switch

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

What Does The Jeep U1149 Code Mean?

With the ignition on, the Cluster does not receive any LIN Bus messages from the Multifunction Switch.

What Are The Potential Causes Of The Jeep U1149 Code?

  • (D500) LIN BUS circuit open
  • (F941) fused ignition run/start control output circuit open
  • (A114) fused B(+) (I. O. D. ) circuit open
  • (Z907) ground circuit open
  • Multifunction switch

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
>>> CrocSee 250 Pieces - Car Fuses Assortment Kit
>>> OMIX Multi Function Switch w/Fog Lights

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

Reference Sources

Jeep U1149, DTCDECODE.

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