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Thread: engine diagnostic tab missing DTC codes 1999 Dakota

  1. #1
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    engine diagnostic tab missing DTC codes 1999 Dakota

    Trying to tune out the rear O2 sensors on my 99 Dakota R/T. I have all available DTC disabled, but it will still pop Bank 1 sensor 2 and bank 1 sensors 3 heater circuit malfuction P0141 and P0145, because those DTC dont show up in HPtuners. is there a way I can get those DTC to show up so I can disable them?

  2. #2
    Senior Tuner
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    Leave the wires for rear sensor plugged in

    Unscrew the sensor and hang it under your truck

    Put a plug in the hole
    [email protected]

    don tanklage

  3. #3
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    -Try going Engine ; Fuel ; Oxygen Sensor the disable heater .
    But it will probably will turn off Sensor 1 heater as well
    I found that in an older post .
    -On my side , I'm looking to turn off those O2 sensor (sensor 2)codes but the line under DTC is Greyed out I can't select disable
    A friend and I are swapping a 5.9 in a '76 Dodge Aspen Thanks .

  4. #4
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    Have you tried taking the HP Tuners emissions training class to gain access to emission settings?
    2023 Dodge Durango R/T (5.7L) with Tow & Go Package (build thread)
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  5. #5
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    I did , would this be a cookie on my computer or just me login in HP tuner would work ?
    I might have done it on my laptop . This moment I am on home desktop .
    Thank you so much , I will double check .

  6. #6
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    What I got my new computer I emailed the parameter access file to myself

  7. #7
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    Quote Originally Posted by RoadBoss2 View Post
    -Try going Engine ; Fuel ; Oxygen Sensor the disable heater .
    But it will probably will turn off Sensor 1 heater as well
    I found that in an older post .
    -On my side , I'm looking to turn off those O2 sensor (sensor 2)codes but the line under DTC is Greyed out I can't select disable
    A friend and I are swapping a 5.9 in a '76 Dodge Aspen Thanks .
    It's already set to disabled

  8. #8
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    Quote Originally Posted by LilSick View Post
    Leave the wires for rear sensor plugged in

    Unscrew the sensor and hang it under your truck

    Put a plug in the hole
    There is no hole in the exhaust, and this doeent fix the issue with the missing DTC in the editor