Jeep U1440: Implausible Transfer Case Ratio High Received

Is your scanner showing Jeep U1440?
No worries. We'll show you what it means and how to deal with it.

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Jeep U1440: Implausible Transfer Case Ratio High Received

DIY Difficulty Level
Repair Cost
Can I Still Drive?

What Does The Jeep U1440 Code Mean?

The Powertrain Control Module (PCM) is receiving an implausible transfer case ratio message from the Drivetrain Control Module (DTCM).

What Are The Potential Causes Of The Jeep U1440 Code?

  • Drivetrain Control Module (DTCM)
  • Powertrain Control Module (PCM)

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

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

Reference Sources

Jeep U1440, DTCDECODE.

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