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Freightliner 2012 m2 with Check engine and STOP light on

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Rankin11, Mar 19, 2020.

  1. Mar 19, 2020 #1
    Rankin11

    Rankin11 Bobtail Member

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    Mar 19, 2020
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    My truck got the Check Engine light on last night. I drive about 200 miles after a few stops. My STOP light just came on and am worried. I put DEF yesterday at Petes. I had put some also last week but normally buy the containers from Wal-Mart or mostly Casey. The code showing is Diag 3 anyone with an idea what could be going on?
     
    Rankin11, Mar 19, 2020
    Rankin11, Mar 19, 2020
    #1
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  3. Mar 19, 2020 #2
    Flint1

    Flint1 Road Train Member

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    Diag 3 is showing there is 3 active codes. Push and hold the button on the cluster until is beeps and moves into the code menu.
    You can then toggle thru the codes, there is 3 parts.
    1st is ecu, for example 128 is ECM
    2nd will be spn/pid
    3rd will be fmi

    Need all 3 to figure out, use search function when you do.
    Example ecu 128, sid 111, fmi 1 is low coolant sensor issue...
     
    Flint1, Mar 19, 2020
    Flint1, Mar 19, 2020
    #2
  4. Mar 19, 2020 #3
    Rankin11

    Rankin11 Bobtail Member

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    Mar 19, 2020
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    Eng 0
    Fault 1
    Fault 2
    Fault 3
    Diag 3
     
    Rankin11, Mar 19, 2020
    Rankin11, Mar 19, 2020
    #3
  5. Mar 19, 2020 #4
    Rankin11

    Rankin11 Bobtail Member

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    Mar 19, 2020
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    That's is what its showing once 1 Thru the details
    1569 spn
    Fail 31
    Fault 2
     
    Rankin11, Mar 19, 2020
    Rankin11, Mar 19, 2020
    #4
  7. Mar 19, 2020 #5
    Rankin11

    Rankin11 Bobtail Member

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    Mar 19, 2020
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    Also seeing this codes
    Eng 0
    Diag 3
    Fault 1
    3360 spn
    Fail 9
    Fault 1
    Could you be able to help?
     
    Rankin11, Mar 19, 2020
    Rankin11, Mar 19, 2020
    #5
  8. Mar 19, 2020 #6
    Flint1

    Flint1 Road Train Member

    1,143
    9,805
    Sep 4, 2019
    Alberta
    0
    Need more info before anyone can help. Year, engine etc
     
    Flint1, Mar 19, 2020
    Flint1, Mar 19, 2020
    #6
  9. Mar 19, 2020 #7
    Rankin11

    Rankin11 Bobtail Member

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    Mar 19, 2020
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    It's 2012 freightliner Cummins engine, m2,
     
    Rankin11, Mar 19, 2020
    Rankin11, Mar 19, 2020
    #7
  10. Mar 19, 2020 #8
    Rankin11

    Rankin11 Bobtail Member

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    Mar 19, 2020
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    It's 2012 freightliner Cummins engine, m2,
     
    Rankin11, Mar 19, 2020
    Rankin11, Mar 19, 2020
    #8
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