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VOLVO FH 460 Euro 6 2015 Manual - Check Engine Light & Error Code P20B173: Decode Needed

keljacek 34386 6
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  • #1 17712883
    keljacek
    Level 2  
    Hello

    The check engine light is displayed while driving and in the diagnosis ACM there is an active error P20B173.

    Could someone decode this error for me because I can't find a description anywhere.

    VOLVO FH 460 EURO 6 MANUAL 2015

    ps. if someone had a detailed description of errors for this model, I would be grateful.

    Thank you greetings.
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  • #3 18046598
    janko83
    Level 11  
    Can someone elaborate on the topic? The description of the error is not clear ... I have the same error in FH4
  • #4 18046701
    Under_Pressure
    Level 22  
    Check the coolant control valve on the Adblue module.
    Often the reason is that it gets burnt. If you unplug the plug, you will see burnt pins.
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  • #5 18058890
    janko83
    Level 11  
    The plug was ok, but the valve itself was "jammed", so it was replaced.

    Can someone decode EMS error: P01951F

    Thanks in advance
  • #6 18073209
    keljacek
    Level 2  
    In January, I had a snow plug from the adblue heater. Therefore, this error was lit P20B173.

    Now I have a problem again because 3 errors have occurred:

    P20B113
    P20B173
    P205A64
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  • #7 18386617
    trucktech
    Level 7  
    p20b113 controller of the adblue heater coolant control valve and the rest of the codes apply to the same case. Probably the valve burned and the plug.
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Topic summary

The discussion revolves around the check engine light activation in a 2015 Volvo FH 460 Euro 6, specifically related to error code P20B173. Users are seeking clarification on the error's meaning and potential solutions. One suggestion points to inspecting the coolant control valve on the AdBlue module, as it may be burnt or jammed. Additional errors, such as P20B113 and P205A64, were also mentioned, indicating possible issues with the AdBlue heater coolant control valve. Users are encouraged to check the condition of the valve and its connections for troubleshooting.
Summary generated by the language model.
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