2017 Grand Cherokee U0403 any ideas.

Discussion in 'Domestics' started by Wild Bill, Sep 7, 2017.

  1. Wild Bill

    Wild Bill Sr. Member

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    Please fill out the following to ask a question.

    MAKE:Jeep
    MODEL:Grand Cherokee
    YEAR:2017
    MILES:28000
    ENGINE:3.6
    DESCRIBE ISSUE....Stuck in 4wd low, Trac light on, Service 4wd message. Code U0403.

    Thanks, Bill
     
  2. nickb2

    nickb2 Wrench. I help when I can

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    Communication problem with CAN line, probably needs a reprogramming. Go to your dealer, this truck surely is still under warranty.
     

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