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  1. vag-com fault codes 
    #1
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    Have had an intermittant power loss recently.Friend has used his laptop with vag-com and found 2 faults first 65535 second is 00575.Both found when he checked engine control module I think.Has anyone any info on what causes these to occur?
     
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  2. Re: vag-com fault codes 
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    from the ross-tech wiki

    00575 - Intake Manifold Pressure: Control Limit Not Reached
    Possible Symptoms
    Sudden complete loss of Power
    Reduced Power
    Possible Causes
    Hoses incorrect connected, disconnected, blocked or leaking
    Pressure Unit for Turbo Charger defective
    Solenoid Valve for Boost Pressure Control (N75) defective
    Possible Solutions
    Check Hoses
    Check Pressure Unit for Turbo Charger
    Check Solenoid Valve for Boost Pressure Control (N75)
    Check Basic Setting > MVB 011



    00575 - Intake Manifold Pressure: Control Limit Exceeded
    Possible Symptoms
    Sudden complete loss of Power
    Reduced Power
    Charge Pressure too High
    Possible Causes
    Solenoid Valve for Boost Pressure Control (N75) defective
    Turbo Charger defective
    Possible Solutions
    Check Solenoid Valve for Boost Pressure Control (N75)
    Check Basic Setting > MVB 011



    00575 - Intake Manifold Pressure: Control Difference
    Possible Symptoms
    Reduced Power
    Possible Causes
    Solenoid Valve for Boost Pressure Control (N75) defective
    Hoses incorrect connected, disconnected, blocked or leaking
    Possible Solutions
    Check Solenoid Valve for Boost Pressure Control (N75)
    Check Hoses
    A4 2.5 tdi QS (mapped)


     
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  3. Re: vag-com fault codes 
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    Many Thanks For Reply.the Last One Shown Is My Prob(control Difference).
     
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  4. Re: vag-com fault codes 
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    What year/engine code? i have seen the 00575 code lots on the earlier diesels (AHU normally) it is normally caused by the small vacuum hose that goes from the manifold to the map sensor (in the ecu). most of the time they split where it connects to the manifold or the pipe gets full of oil.

    The other code is probably caused by the same problem.
     
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  5. Re: vag-com fault codes 
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    Its an AHU engine so it looks like your spot on.Many thanks.
     
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