NOx Sensors code

Discussion in 'Volvo Forum' started by Espey127, Jun 30, 2021.

  1. Espey127

    Espey127 Bobtail Member

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    Dec 13, 2016
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    2020 Volvo VNL 760 D13

    Tripping codes....NOx Sensors are open
    P220513
    P220013

    Parked overnight, woke up with both codes active. Any idea how to further troubleshoot this issue?
     
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  3. Socal Xpress

    Socal Xpress Road Train Member

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    Unless you have the PTT the dealership.
     
  4. AModelCat

    AModelCat Road Train Member

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    Without diagnostic software all you can really do is visually inspect the sensors, wiring and plugs for obvious signs of damage.
     
  5. Espey127

    Espey127 Bobtail Member

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    Dec 13, 2016
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    Thought so, thanks.
     
  6. matmslash

    matmslash Bobtail Member

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    Try to do a parked regen, I use www.truckingse.com to find local shops to get in and out.
     
  7. Espey127

    Espey127 Bobtail Member

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    Dec 13, 2016
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    Any Diagnostic Software recommendations?
     
  8. Rob100100

    Rob100100 Light Load Member

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    Mar 5, 2016
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    Your issue could be several..One or both NOX sensors have failed. Could be wiring harness to the sensors. Could be a wiring fault somewhere else. Cost to have sensors replaced approx 2000.00 at a dealership. Cost to diagnose depends. Good luck
     
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