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  1. #1
    Veteran Member Three Rings
    Join Date
    Aug 17 2015
    AZ Member #
    349506
    My Garage
    '64 VW Type 3 Notch, '66 Type 3 Fastback, '77 Rabbit 2.0L 16v w/ITBs, '84 944, '99 323i
    Location
    Evansville, IN

    Code "17963 - Charge Pressure P1555 - 001 - Maximum Limit Exceeded - Intermittent"

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    So I scanned my car the other day and saw this. My car is stock-ish. I've got a stage 1+ tune, 034 HFC, and Carbonio intake, as far as the engine is concerned. Anyone else run into this code? Is it something I should be concerned about?

  2. #2
    Veteran Member Four Rings old guy's Avatar
    Join Date
    Dec 28 2006
    AZ Member #
    14483
    My Garage
    '13 A5, '24 Tiguan SEL R-Line
    Location
    Western Maryland

    The intermittent code indicates that occasionally your actual boost is exceeding your requested boost beyond an acceptable range. Check the hoses connecting the turbo high pressure port to the N75 as well as from the N75 to the wastegate for any small cracks. A slight leak in pressure can cause an occasional over-boost condition.
    '03 A4 5-MT Motoza tuned Frankenturbo F21L With full supporting mods. Sold (and missed dearly).
    '13 A5 6-MT Needs more Fun Stuff: Neuspeed PM / 3.0 TDI Intercooler / H&R OE Sport Springs / Bilstein B8 Shocks / TyrolSport Brake Stiffeners / ECS Short Shifter / S5 Side Skirts / RS Grille

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