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Thread: 2010 Passat CC GT Glow Plug Circuit Fault

  1. #1
    Junior Member
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    Jan 2019
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    2010 Passat CC GT Glow Plug Circuit Fault

    Hi Guys,
    I noticed that sometimes my cc is struggling to start so i ran auto scan on it and i got this: 001649 - Cylinder 1 Glow Plug Circuit (Q10) P0671 - 000 - Electrical Fault on all four glow plugs. i don't know much about cars but since I'm a student and I'm trying to save money i would like to do it myself if possible. Do i need to replace all glow plugs ? or could it be some other issue ? and how would i be able to test it to make sure ? Any help would be appreciated.I'm gonna include full log from the scan as a attachment.

    Thanks You Log-10D132997-WVWZZZ3CZAE537144-159360km-99021mi.txt

  2. #2
    Administrator Keithuk's Avatar
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    Jun 2012
    Stoke on Trent
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    First posts normally go in introductions else you could get a free fix and we never see you again!!!

    VAG Error Code: 17055/4984/5413/001649
    EOBD II Error Code: P0671

    Fault Location:
    Glow Plug Cylinder 1 (Q10) Circuit - Electrical Malfunction/Electrical Fault

    Possible Cause:
    Malfunction Indicator Lamp (MIL)(K83) active.
    No Pre-Glow Period.
    Lack/Loss of Power.
    Poor Cold Starting.
    Engine hesitation.

    Glow Plug Wiring/Connector(s) faulty.
    Glow Plug Relay (J52).
    Glow Plug Control Module (GPCM) (J179).
    Glow Plug faulty.
    Engine Control Module (ECM).

    Possible Solutions:
    Check/Replace all faulty Wiring/Connector(s).
    Read Measuring Value Blocks (MVB).
    Check Glow Plug.

    Special Notes:
    See TDIClub Glow Plug 101

    When is the code detected?:
    The Engine Control Module (ECM) has detected a fault in the cylinder #1 glow plug circuit.

    As taken from my new EOBD II Fault Codes Software

    Post moved to correct section.
    2010 Golf GTD (170) CBBB, 5 Door, Shadow Blue (P6/D5Q), Transmission Code: KXZ, Flat Tyre Indicator, Basic Protection Pack + VCDS.

  3. #3
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    Jan 2019
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    Oh Okay sorry about this, didn't think bout that. thanks for the info
    2010 Passat CC GT 2.0 TDI-CR

  4. #4
    Administrator Crasher's Avatar
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    Apr 2006
    Nottingham, England
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    One faulty glow plug should not upset it, they are quite easy to do BUT they can snap and that really is not good... You will need a very long reach 10-mm socket and when coming out, keep the treads wet with releasing agent, they make some terrible noises as they come out, quite buttock clenching as if they snap (and they do) that is specialist work.
    2003 Skoda Octavia VRS Estate. APR 98RON remap, APR R1 diverter valve, Jetex exhaust, K&N panel filter, 7.5x18 Alutec Monstr wheels with 225/40 18 Uniroyal Rainsport 3 tyres.
    2006 Polo GTI 1.8T, APR 95RON remap
    1988 Golf 2 GTI 16 valve, 2.2 with Weber Alpha injection
    1983 Golf 1 GTI 8 valve, 2 litre with Eurospec racing 42/36 head
    1972 1302LS auto 1641cc conversion

    Vile Invention

    Dark was that day when Diesel conceived his grim engine that begot you, vile invention, more vicious, more criminal than the camera even, metallic monstrosity, bale and bane of our culture, chief woe of our Commonweal. How dare the Law prohibit hashish and heroin yet license your use, who inflate all weak inferior egos? Their addicts only do harm to their own lives: you poison the lungs of the innocent, your din dithers the peaceful, and on choked roads hundreds must daily die by chance-medley. Nimble technicians, surely you should hang your heads in shame. Your wit works mighty wonders, has landed men on the Moon, replaced brains by computers, and can smithy a "smart" bomb. It is a crying scandal that you cannot take the time or be bothered to build us, what sanity knows we need, an odorless and noiseless staid little electric brougham.

    W.H. Auden (1907-1973), A Curse:

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