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  1. #1
    Active Member Two Rings doing_it_live's Avatar
    Join Date
    Aug 29 2011
    AZ Member #
    80494
    Location
    Tampa/Florida/USA

    New to vag-com, help diagnose some codes!

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    Hey guys, I recently purchased the VCDS-lite from Ross tech and still learning how to use it. Anyway 2 weeks ago I had the APR stage 2+ software installed with the 225 TT injectors. I still have not installed my test pipe but plan to do it this Friday . I have not had any CEL until today when I did a few pulls up to 120 mph to around 6800 rpm in each gear. I had these codes pull up :

    Address 01: Engine Labels: Redir Fail!
    Controller: 8E0 909 518 BC
    Component: 1.8L R4/5VT G 0010
    Coding: 0016711
    Shop #: WSC 12850
    VCID: 7297D6FD2DA1
    3 Faults Found:
    18010 - Power Supply Terminal 30: Voltage too Low
    P1602 - 002 - Lower Limit Exceeded - Intermittent
    18339 - Coolant Fan Control Module (J293): Malfunction
    P1931 - 002 - Lower Limit Exceeded - Intermittent
    16683 - Boost Pressure Regulation: Control Range Not Reached
    P0299 - 002 - Lower Limit Exceeded Readiness: 0000 0001

    I also have a OEM Audi TT 710N DV that I need to install. Any help would be much appreciated :)

    Nik

  2. #2
    Veteran Member Four Rings texasboy21's Avatar
    Join Date
    Apr 01 2007
    AZ Member #
    16891
    My Garage
    1983 Chevy Silverado
    Location
    houston texas

    You disconnected your battery, your coolant fan module is on the fritz (get ready for the fans to run when your car is off), and you need to install the new DV, yours is leaking.
    2019 SQ5 Prestige
    2016 S3 Prestige - Eurodyne Maestro ECU + TCU, REVO downpipe, air box mods, Bilstein B12 w/ EuroSport camber kit, 034 RCO + RSB
    2005.5 A4 2.0t "Stage 3" - Pag Parts rods/inlet pipe/FMIC/manifold/downpipe + Borg Warner EFR 6758 + Stasis cup kit + StopTech 332mm BBK + Eurodyne Maestro + Eurodyne Boost Manager Plus

  3. #3
    Active Member Two Rings doing_it_live's Avatar
    Join Date
    Aug 29 2011
    AZ Member #
    80494
    Location
    Tampa/Florida/USA

    Quote Originally Posted by texasboy21 View Post
    You disconnected your battery, your coolant fan module is on the fritz (get ready for the fans to run when your car is off), and you need to install the new DV, yours is leaking.
    Ok I figured the last code was for the DV. So do I need a new coolant fan module? And I just got a new battery so I'm wondering why it's on low voltage everything seems to be hooked up
    2005 Audi A4 1.8T 6 Speed Quattro
    Mods: APR Stage 2+, 225TT, APR Snub mount,APR test pipe, 710N DV

  4. #4
    Veteran Member Four Rings Seerlah's Avatar
    Join Date
    Dec 05 2007
    AZ Member #
    23104
    Location
    A place between here and there

    Rule of thumb with Vag Com is always delete the codes, and deal with the ones that will reoccur (scan at least twice, deleting the first codes pulled). I suggest you replace your dv, then delete your codes, drive your car till the CEL comes back on, and deal with those codes (if any). If no codes come back, then do a full scan anyways and see what intermittent codes appear.
    I hate it when my car acts like a little bitch, treating me like a bitch

  5. #5
    Active Member Two Rings doing_it_live's Avatar
    Join Date
    Aug 29 2011
    AZ Member #
    80494
    Location
    Tampa/Florida/USA

    Quote Originally Posted by Seerlah View Post
    Rule of thumb with Vag Com is always delete the codes, and deal with the ones that will reoccur (scan at least twice, deleting the first codes pulled). I suggest you replace your dv, then delete your codes, drive your car till the CEL comes back on, and deal with those codes (if any). If no codes come back, then do a full scan anyways and see what intermittent codes appear.
    Will do Seerlah, omw home to install DV now, will post back here my results.

    Thanks

    Nik
    2005 Audi A4 1.8T 6 Speed Quattro
    Mods: APR Stage 2+, 225TT, APR Snub mount,APR test pipe, 710N DV

  6. #6
    Veteran Member Four Rings Charles.waite's Avatar
    Join Date
    Jun 27 2011
    AZ Member #
    77478
    Location
    Seattle, WA

    Also FYI Ross-Tech has a code info database. It can be really helpful: http://wiki.ross-tech.com/wiki/index...ry:Fault_Codes
    -CP
    2008 2.0t S-Line Ti 6MT Avant
    2017 Q7 3.0t
    SOLD -- 2012 Q5 2.0t - Stock Mommy Missile with new timing chains
    Former USP CLUB MEMBER #136
    2004 A4 1.8TQ 6MT USP - APR Stage 1+ - FSI Coils - BKR7EIX-11 - B6S4 Front + B7A4 Rear Brakes - 034 Street Trans Mount
    SOLD -- 2006 A4 2.0TQ Avant Tiptronic

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