What Does It Mean?

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Brant

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The MIL on our 2010 Jetta Sportwagon TDi is on. Below is the portion of the scan that describes the problem that activated the MIL. Pardon the cut and paste - I did not see the usual paperclip or other symbol to attach a document. The "problem" I'm having with VCDS is in understanding the details of the information. I've looked for the answers, but have not found them. So:

1. Does "Malfunction 0010" have a specific VW meaning, or is just VCDS-speak for 'there is a problem here'?

2. Is "Mileage 78872 km" the mileage at which the fault was last encountered? Or something else?

3. What is "Date: 2010.9.11". It is obviously not the date of the last fault. Is it the date of the first fault? Or a date related to the Internal Pressure Sensor?

4. If it is the date of the first fault, why has my dealer's shop not already corrected the problem?

5. What is "Fault Status: 10100000"?

6. What is the meaning of "Ign. Timing: 0BTDC" for a diesel engine? Is it when the sensor sensed autoignition?

Finally, I infer that We have either a failing pressure sensor or a problem with its wiring. Any disagreement with that?

Thanks for whatever information you can provide.

(BTW: The Nav and Radio malfunctions are (i) they were not turned on and (ii) there is an intermittent in the antenna. The Tire Pressure malfunction is probably that the car had not been driven and the sensors were therefore not active.)

Brant

Code: 
Monday,16,May,2016,10:15:06:53108
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x86
VCDS Version: 15.7.4.1
Data version: 20160216
www.Ross-Tech.com

VIN: 3VWTL8AJ5AM683562   License Plate: 
Mileage: 79260km-49249mi   Repair Order: 

--------------------------------------------------------------------------------
--------------------------------------------------------------------------------

Chassis Type: AJ (1K0)
Scan: 01 02 03 08 09 15 16 17 19 25 37 42 44 46 4F 52 56 62 65 72
          77

VIN: 3VWTL8AJ5AM683562   Mileage: 79260km-49249miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
37-Navigation -- Status: Malfunction 0010
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
4F-Centr. Electr. II -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
65-Tire Pressure -- Status: Malfunction 0010
72-Door, Rear Right -- Status: OK 0000
77-Telephone -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine (CJA)       Labels: 03L-906-022-CBE.clb
   Part No SW: 03L 906 019 CM    HW: 03L 906 022 TS
   Component: R4 2,0L EDC G000AG  9971  
   Revision: 12H03---    Serial number:               
   Coding: 0050078
   Shop #: WSC 26097 444 12534
   VCID: 78F506D60B1C3FFE46-802C

3 Faults Found:
005073 - Cylinder 2 Internal Pressure Sensor 
               P13D1 - 000 - Short to Plus - Intermittent - MIL ON
             Freeze Frame:
                    Fault Status: 10100000
                    Fault Priority: 2
                    Fault Frequency: 12
                    Reset counter: 255
                    Mileage: 78872 km
                    Time Indication: 0
                    Date: 2010.09.11
                    Time: 08:48:50

             Freeze Frame:
                    RPM: 1472 /min
                    Speed: 74.0 km/h
                    Bin. Bits: 00000000
                    Absolute Pres.: 91.0 bar
                    (no units): 5.10
                    Ign. Timing: 0.5 0BTDC
                    (no units): 9.20

005075 - Cylinder 2 Internal Pressure Sensor 
               P13D3 - 000 - Implausible Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00100000
                    Fault Priority: 2
                    Fault Frequency: 3
                    Reset counter: 255
                    Mileage: 78081 km
                    Time Indication: 0
                    Date: 2010.08.18
                    Time: 10:48:06

             Freeze Frame:
                    RPM: 1357 /min
                    Speed: 29.0 km/h
                    Bin. Bits: 00001000
                    Absolute Pres.: 68.0 bar
                    (no units): -12.80
                    Ign. Timing: 0.9 0BTDC
                    (no units): 9.20

005075 - Cylinder 2 Internal Pressure Sensor 
               P13D3 - 003 - Implausible Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00100011
                    Fault Priority: 2
                    Fault Frequency: 7
                    Reset counter: 255
                    Mileage: 78288 km
                    Time Indication: 0
                    Date: 2010.08.21
                    Time: 10:09:29

             Freeze Frame:
                    RPM: 1863 /min
                    Speed: 94.0 km/h
                    Bin. Bits: 00001010
                    Absolute Pres.: 50.0 bar
                    (no units): 11.50
                    Ign. Timing: 0.9 0BTDC
                    (no units): 9.20

Readiness: 1 3 0 0 0
 
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   #2  
Uwe

Uwe

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1) 0010 in that context is just the that module's status bits in the Gateway, and a 1 in the position shown means the Gateway thinks there are one or more faults in the corresponding module.

2) Mileage in freeze frame data is more likely the mileage at which the fault occurred first, not most recently.

3) Data is also more likely to be when the module first stored that fault. Of course it's dependent on your car knowing the correct date at the time it was stored.

4) Ross-Tech is not associated with VW/Audi or any dealer and thus cannot speak for them. ;)

5) It's a bunch of status bits that are already decoded into text in the line above, such as "Intermittent" or "MIL ON".

6) Degrees Before Top Dead Center.

-Uwe-
 
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Brant

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Thanks, Uwe. All helpful, and it had not occurred that the car might not know the date!

BTW, I know what BTDC means, what I was wondering about is what was meant by "ignition" in a diesel and how it was determined. It clearly is not spark - so it must be autoignition and sensed by the Internal Pressure Sensor. Whole new concept to me.
 
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Uwe

Uwe

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Brant said:
BTW, I know what BTDC means, what I was wondering about is what was meant by "ignition" in a diesel and how it was determined. It clearly is not spark - so it must be autoignition and sensed by the Internal Pressure Sensor. Whole new concept to me.
Click to expand...
Not sure myself. With an older diesel, I would suggest this was "commencement of injection", but with a common-rail injection system such as you have in this car, there are multiple injection events. Is this the first one, the main one, or is it determined by pressure rise? If I knew, I'd be happy to tell you. :)

-Uwe-
 
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The internal pressure sensor is used for a beter and smoother burn phase, the pressure sensor is located inside the glowplug. Use a torq wrench when removing and installing these. As these are not cheap and tend to break really fast
 
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