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Thread: 2009 golf mk6 1.6 tdi

  1. #1
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    2009 golf mk6 1.6 tdi P0341 00 [100] - Implausible Signal

    Could someone please put me out of my misery, so cut a long story very short the vehicle suffered a cambelt snap at 70MPH. Recovered to a garage, belt changed but they couldn’t get it to start.. after a few days of playing around they quoted him a cost more expensive than the car for a new engine.
    So, Knight in shining armour (me) agreed to help, I can sort that out how hard can it be.. Stop laughing.
    Head off, piston protrusion check, check all the valves, overhauled the head a put it all back together.

    What a nightmare, car right on the change point, every bit I caused a pain in the ***
    After the fun of bleeding the fuel system, we finally have fuel at the injectors.
    First proper star, loads of popping a farting but would it fire, no flaming chance.
    Checked the timing all perfect.
    Checked on VCDS, bucket load of faults, cleared and tried again.
    After numerous failed attempts and a reoccurring fault code

    Address 01: Engine (J623-CAYB) Labels: 03L-906-023-CAY.clb
    Part No SW: 03L 906 023 CQ HW: 03L 906 023 A
    Component: 1,6l R4 CR td H23 4971

    1 Fault Found:
    6039 - Camshaft Position Sensor (G40)
    P0341 00 [100] - Implausible Signal
    Intermittent - Not Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Status: 00000001
    Fault Priority: 2
    Fault Frequency: 6
    Mileage: 140039 km
    Date: 2019.03.03
    Time: 00:07:35
    Readiness: 1010 0000

    Off the local VW garage I go, whilst discussing my pain a gent mention, I am sure the early 1.6 TDI has different timing markers on the crank, and that could be causing the P0341 00 [100] - Implausible Signal fault.
    So is the 2009 1.6 tdi an oddball on the timing marks and would this stop the car from starting.
    Could someone please help One broken Peugeot M Tech
    OMG i only though Peugeot were designed by Satan
    Last edited by davebp; 04-03-19 at 20:57.

  2. #2
    Administrator Keithuk's Avatar
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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: 16725/000833/6039/4113
    EOBD II Error Code: P0341

    Fault Location:
    Camshaft Position (Hall) Sensor (G40) - Implausible Signal

    Possible Cause:
    Malfunction Indicator Lamp (MIL)(K83) active.

    Wiring/Connector(s).
    Camshaft Position (Hall) Sensor (G40) faulty.
    Timing misaligned.

    Possible Solutions:
    Check/Replace all faulty Wiring/Connector(s)..
    Read Measuring Value Blocks (MVB).
    Check Camshaft Position (Hall) Sensor (G40).
    Check Timing.

    Tech Notes:
    Sometimes and in some models, low battery voltage or a weak starter can trigger a Camshaft Position Sensor code.

    When is the code detected?:
    The camshaft position sensor signal sent to the Engine Control Module (ECM) during the first few seconds of engine cranking is out of range.

    Description:
    The Camshaft Position (Hall) Sensor is an electronic device used in an engine to record the rate at which the camshaft is spinning. This information is used by the Engine Control Module (ECM) to control ignition and fuel injection. The camshaft position sensor senses the retraction of camshaft (intake) to identify a particular cylinder. The Camshaft Position (Hall) Sensor senses the piston position. The sensor system consists of a rotating part, typically a disc, as well as a static part, the actual sensor. When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change. When the Crankshaft Position Sensor system becomes inoperative, the camshaft position sensor provides various controls of engine parts instead, utilizing timing of cylinder identification signals.

    When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change.

    When the Crankshaft Position Sensor system becomes inoperative, the Camshaft Position (Hall) Sensor provides various controls of engine parts instead, utilizing timing of cylinder identification signals.


    As taken from my new EOBD II Fault Codes Software
    2010 Golf GTD (170) CBBB, 5 Door, Shadow Blue (P6/D5Q), Transmission Code: KXZ, Flat Tyre Indicator, Basic Protection Pack + VCDS.


  3. #3
    Administrator Crasher's Avatar
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    Did you

    1) Check the TDC height of the pistons?
    2) Use locking tools to ensure the cam timing was correct?
    3) Electronically bleed the fuel system before trying to start it?
    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:

  4. #4
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    Crasher,

    Yeah piston protrusion, used a DTI to check the height of the piston @ TDC.. it was the thicker of the two gaskets.
    Have rechecked the cam timing 4 times, paranoid now.
    Bleed the fuel system, give up counting how many times.. only one note, the fuel pressure bleeding manually at the injector doesn’t seem that high.. I would have expected a really powerful squirt, more of a dribble.. Can you get a blockage in the pump..
    Replaced the camshaft position sensor and battery yesterday, for the following fault

    Address 01: Engine (J623-CAYB) Labels: 03L-906-023-CAY.clb
    Part No SW: 03L 906 023 CQ HW: 03L 906 023 A
    Component: 1,6l R4 CR td H23 4971

    1 Fault Found:
    6039 - Camshaft Position Sensor (G40)
    P0341 00 [100] - Implausible Signal
    Intermittent - Not Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Status: 00000001
    Fault Priority: 2
    Fault Frequency: 6
    Mileage: 140039 km
    Date: 2019.03.03
    Time: 00:07:35
    Readiness: 1010 0000

    checked the wiring, and it seems fine seems fine. Still the same fault code..

    Spoke to another tech yesterday, he seems to think if the engine doesn’t fire it through up this fault. He also mentioned 1.6 seems to have a common problem of not starting after minor or major work, he also mention, good luck and better you then me.

    Crasher is there anyway of checking fuel system cranking pressure with VCDS? If yes, any idea what type of pressure I should be looking for.

    Do you need to pre charge the fuel system I.e. manually force fuel in to remove any air pockets..
    2009 Golf 1.6 TDI-CR CAYB

  5. #5
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    This is usually because of bad timing also seen after cam belt is changed.
    Basically you have to check timing now again, there is good video on youtube where its shown on 2.0 tdi, but its same thing on 1.6.
    2007 Passat B6 2.0 TDI-PD, BMR, DSG

  6. #6
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    Click image for larger version. 

Name:	Replace-timing-belt-on-Volkswagen-golf-1-6-TDi-2009.jpg 
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ID:	6521Hi Renars,

    Timing been checked 6 times as per the image, bleed just don’t think the HP side of the fuel system is generating enough pressure.
    Is there any special way to bleed the HP side, pump, rail and injectors
    2009 Golf 1.6 TDI-CR CAYB

  7. #7
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    Crasher I have done a reply, something about the post needs vetting by a Mod or Admin
    2009 Golf 1.6 TDI-CR CAYB

  8. #8
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    So where I am now,

    • Timing rechecked
    • Camshaft sensor replaced
    • Battery replaced
    • Re-bleed the fuel system – HP side is worrying me I don’t think it has enough pressure
    • Wiring checked to the camshaft sensor
    • Fuel filter replaced again


    And still

    Address 01: Engine (J623-CAYB) Labels: 03L-906-023-CAY.clb
    Part No SW: 03L 906 023 CQ HW: 03L 906 023 A
    Component: 1,6l R4 CR td H23 4971

    1 Fault Found:
    6039 - Camshaft Position Sensor (G40)
    P0341 00 [100] - Implausible Signal
    Intermittent - Not Confirmed - Tested Since Memory Clear
    Freeze Frame:
    Fault Status: 00000001
    Fault Priority: 2
    Fault Frequency: 6
    Mileage: 140039 km
    Date: 2019.03.03
    Time: 00:07:35
    Readiness: 1010 0000

    Another tech advised this could be a red hearing, m I was told if it doesn’t start it flags this fault.. can anyone quantify this..
    2009 Golf 1.6 TDI-CR CAYB

  9. #9
    Administrator Crasher's Avatar
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    Did you bleed the two electric pumps in output tests? Which locking tools did you set the cam timing with? There was no point changing the G40, it was working and telling you the crank and cam don't tally.
    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:

  10. #10
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    Bleed pumps via VCDS, found lots of air blocking the inlet to the Diesel pump which I have now bleed.

    Replace the fuel filter..


    as for the cambelt timing , two different locking tools
    Click image for larger version. 

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    and the camshaft timming

    Click image for larger version. 

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    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    2009 Golf 1.6 TDI-CR CAYB

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