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Thread: A/C intermittant only DTC and problem

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    A/C intermittant only DTC and problem

    uWE and peter helped with assessing DPF condition on 06 V10, only 1 problem left HVAC.. Intermitanta/c RCV operation c dtc code 00898 on auto scan some times , last eve went to HVAC control MVB 13 field 1 gave 8 in field 1 which indicates compressor off;outside temp too low which sensor is this or is it a coding problem? 4 zone climate in71 degree shop which registered on front dash screen, A/C has a number of temp sensors, which one is problematic for #8 outside temp?? thanks

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    Benevolent Dictator Uwe's Avatar
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    Fault is shown in this scan.

    This:
    Code:
    00898 - Control Circuit A/C compressor 
                009 - Open or Short to Ground - Intermittent
    ... doesn't strike me as a temperature sensor problem.

    -Uwe-
    Lock-down of sick people: Quarantine
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    009 mean anything/ does this have to be coded?

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    "009" mean: Open or Short to Ground - Intermittent

    -Uwe-
    Lock-down of sick people: Quarantine
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  7. #5
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    RCV valve V10 TDI

    Can defective RCV Valve give code 00898? Preparing to replace complete compressor with new Nissens ,denmark,, Mileage of 175,000,..... UWE you do not have to respond I see enough about this DTC, but am curious if control module can be eliminated as cause before tackling????
    Last edited by atomizer; 06-17-2020 at 09:59 AM. Reason: more research done on DTC

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    uWE: I did more research on DTC , so do not have to answer 1st question, but am curious if J301 can be eliminated as cause with Ross-Tech DX 1st??

  9. #7
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by atomizer View Post
    uWE: I did more research on DTC , so do not have to answer 1st question, but am curious if J301 can be eliminated as cause with Ross-Tech DX 1st??
    No, you cannot eliminate the HVAC module (J301) as a potential cause of the problem strictly with VCDS, i.e. without doing electrical testing, or swapping it out for another module.

    -Uwe-
    Lock-down of sick people: Quarantine
    Lock-down of healthy people: Tyranny

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