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P0705 and P1899

Discussion in 'Cherokee' started by mgallagher, Jan 4, 2020.

  1. Jan 4, 2020 at 11:45 AM
    #1
    mgallagher

    #1
    mgallagher [OP] New Member

    Joined:
    Jan 4, 2020
    Member:
    #4266
    Messages:
    3
    Gender:
    Male
    Vehicle:
    2000 Black Cherokee
    None
    good afternoon.
    I'm new here and am hoping someone can lend some insight to an ongoing issue we're having with our 2000 Cherokee.
    We have two codes (P0705 and P1899) that keep popping up and causing the truck to run very rough and get horrible MPG. We've replaced the NSS/TRS only to have the issue continue.
    Took it to the dealership who basically said the truck is too old to mess with. Take it to a small shop.
    This has become more than a headache at this point as this is now our son's daily driver.
    Has anyone had a similar issue?
     
    Last edited: Jan 4, 2020
    mgallagher, Jan 4, 2020
    #1
  2. Jan 4, 2020 at 8:53 PM
    #2
    aggrex

    #2
    aggrex Well-Known Member

    Joined:
    Sep 12, 2016
    Member:
    #203
    Messages:
    4,839
    DE
    Vehicle:
    Backcountry '16
    Tuffy>AEV>TTO>JW>STech>EVOcage>MagnaFlow>SpiderTrax>RockHard>TF>SpringTail>67design>Bolt>GPCA>Curt>
    Welcome @mgallagher ...too bad about the jeep issues and unhelpful dealer. Just some thoughts: recommend OEM parts, installation done right, adjust the NSS correctly, connections are secure. Other members might have other ideas
     
    aggrex, Jan 4, 2020
    #2
    chris4x4 likes this.
  3. Jan 5, 2020 at 7:54 AM
    #3
    mgallagher

    #3
    mgallagher [OP] New Member

    Joined:
    Jan 4, 2020
    Member:
    #4266
    Messages:
    3
    Gender:
    Male
    Vehicle:
    2000 Black Cherokee
    None
    Thanks Aggrex
    I found some wiring diagrams last night. Getting ready to check the wiring harness between the NSS and the PCM today. Should be an interesting process. I'm hoping for an obvious short in the wiring and that the PCM is okay.
     
    mgallagher, Jan 5, 2020
    #3
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