Mitsubishi B1439: Side impact sensor (LH) (squib) for communication system

Is your scanner showing Mitsubishi B1439?
No worries. We'll show you what it means and how to deal with it.

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Mitsubishi B1439: Side impact sensor (LH) (squib) for communication system

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What Does The Mitsubishi B1439 Code Mean?

These DTCs are set if communication between the side impact sensor (LH) and the SRS-ECU is not possible or faulty.

What Are The Potential Causes Of The Mitsubishi B1439 Code?

  • Damaged wiring harnesses or connectors
  • Malfunction of the side impact sensor (LH)
  • Malfunction of the SRS-ECU

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
>>> NEW Genuine Mitsubishi Impact Sensor Kit 08-12 Lancer 07-12 Outlander

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

Reference Sources

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