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Thread: Help! Vw Passat with fault codes!

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  1. Help! Vw Passat with fault codes! 
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    Evening, My 09 past was running ok, then i accelerated to overtake and the glow plug light flashed, car was ok.
    I read the codes and got--
    P0122 Throttle Position Sensor/Switch A Circuit Low Input
    P2454 Diesel Particulate Filter Pressure Sensor A Circuit Low
    P0607 VOLKSWAGEN - Control Module Performance
    P0182 Fuel Temperature Sensor A Circuit Low Input

    HELP!!
    Could all of these be caused by the Fuel temp sensor being faulty?
    Cars only done 68K, previous owner never drove the car hard,
     
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  2. Re: Help! Vw Passat with fault codes! 
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    Did all 4 codes come up on VCDS with the same date/ time/ mileage ?

    If not I would clear them & see what returns.

    Then try a similar manouver on a quiet road to see if the problem can be replicated.
     
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  3. Re: Help! Vw Passat with fault codes! 
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    All codes at the same time, i cleared them, but they came straight back on when i read them again
     
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  4. Re: Help! Vw Passat with fault codes! 
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    The P0607 VOLKSWAGEN - Control Module Performance refers to the ECU itself I think.
    The other faults refer to low voltages.

    I would start by checking your battery is ok, should be at least 12.5v & around 14v with the engine running.
    Check all battery & earth connexions are clean & tight.
    Then move to the ECU, check the multiplug connexion for any moisture or corrosion on the pins.
    Have a look inside the ECU case & check for any moisture/ corrosion in there.
     
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  5. Re: Help! Vw Passat with fault codes! 
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    Flashing glow plug light suggests DPF issue.
     
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  6. Re: Help! Vw Passat with fault codes! 
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    Quote Originally Posted by granttd73 View Post
    , previous owner never drove the car hard,
    There lies the problem.

    Ian
    A4 B6 Avant Nogaro Blue
     
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