2009 Jetta TDI exhaust pressure sensor reset

   #1  

mikeme

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Had this error on my 2009 Jetta TDI wagon:

001146 - Exhaust Pressure Sensor 2
P047A - 000 - Open Circuit - Intermittent - MIL ON
Freeze Frame:
Fault Status: 10100000
Fault Priority: 2
Fault Frequency: 6
Reset counter: 255
Mileage: 257533 km
Time Indication: 0

Freeze Frame:
RPM: 0 /min
Speed: 0.0 km/h
Temperature: 1.8°C
Temperature: 64.8°C
Temperature: 48.0°C
Pressure: 0 mbar
Pressure: 3 mbar


Readiness: 1 1 0 0 0


an ordered a pressure sensor by VIN from an online dealer.

while the error was active, I verified the DPF pressure was acting normal, and Basic settings 78 sometimes worked as previously noted, but then showed pressure across the low pressure EGR as 0.

I changed out the pressure sensor, (close to the oil fill on the 09) and used VCDS to reset the MIL, and adapt the exhaust pressure sensor. (entered the number presented, and was rewarded with a message that said something like "login accepted"

I verified the old sensor was electrically open with a VOM.

operation seems normal, DPF regen fired off, and basic settings again shows the pressure across the low pressure EGR.

but now it seems the measured soot is not deviating from 0, which it previously did, used to get up to 6 or 10 as the soot collected getting close to the active regeneration cycle for the DPF.

again, the DPF differential pressure varies, and looks similar to what it did before, 2.5 at idle, 50 to 100 at higher RPM.


is there some other step or condition I missed for the exhaust pressure adaptation?

Thanks for reading this ramble.

Mike
 
   #2  

Welder75

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ALWAYS post a current full scan.

After the adapation did you leave the ignition off for 30 sec?
 
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   #3  

Jack@European_Parts

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Hello Mike.......

Yeah the EDC17 CBEA is funny.
It seems to like having the values reset by recoding, and an erase of DTC's while the engine is not running....then switched off for 1 minute until it goes nite nites.
Then turn on and do the adaptions + script tests.

I encourage you to check all the basic settings channels 0-255 to further learn the undocumented script tests and adaptions.

Pay attention to the script test counts that are not in the pull down menu.

Watch and log EGT temps of all EGTS and compare the range while observing PSI sensors.

I think it would be a nice screen in VCDS on these TDI's to have a display menu that shows All EGR/EGTs/OXS/PSI's/SOOT and MAP/MAF, on a fast select to log.
 
   #4  

mikeme

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I did not run an updated full scan.

I suspect that the adaptation I ran, (coding for the G450 exhaust sensor) did not do anything with the pressure sensor I changed.

So the real question I have is if there is any problem having run the coding on a pressure sensor which has 160k on it.

I will run an additional full scan and post later.

my dear wife managed to crash in a ski race yesterday and broke a couple bones, so the scan may end up delayed a day or so.


In addition to the VCDS, I have a PF03 installed and watch the temps and pressures.

the advance measuring blocks do seem to offer a way to quickly display and log the values you suggest, Jack, don't they?
 
   #5  

Jack@European_Parts

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I did not run an updated full scan.

I suspect that the adaptation I ran, (coding for the G450 exhaust sensor) did not do anything with the pressure sensor I changed.

So the real question I have is if there is any problem having run the coding on a pressure sensor which has 160k on it.

I will run an additional full scan and post later.

my dear wife managed to crash in a ski race yesterday and broke a couple bones, so the scan may end up delayed a day or so.


In addition to the VCDS, I have a PF03 installed and watch the temps and pressures.

the advance measuring blocks do seem to offer a way to quickly display and log the values you suggest, Jack, don't they?

They do but you can't get them all with three channel blocks.....

I'm sorry about your wife's accident and hope she gets better soon.

Running an old sensor shouldn't be an issue......... provided it is working.
 
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   #6  

mikeme

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Wife is doing a lot better. will see tomorrow or Tuesday if she is well enough for a four hour ride in the jetta, or somehow gets a horizontal ride in a custom van with pretty lights on the outside.

the DPF pressure seems just fine, so I suspect the older sensor is up to snuff. no errors, and emissions OBBD clear as a winter night away from the city lights.

just makes me wonder that the measured soot still has only read 0. oh well, life goes on.

advance MB lets you pick up to 12 sensor, mixed, not just the three MB with all fields, correct?

here are a couple I look at from time to time

Code:
Thursday,28,January,2016,16:10:50:51928
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 15.7.3.0 (x64)
Data version: 20151216
[url]www.Ross-Tech.com[/url]





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


                Address 01: Engine  (03L 997 016 P)

16:10:49
  258230 km   Vehicle Mileage 
  180.0°C   Temperature prior Turbo Charger
  180.0°C   Temperature prior Particle Filter
  192.0°C   Temperature prior Precatalytic Converter
  210.0°C   Temperature prior Particle Filter
  5 mbar   Particle Filter Different. Pressure
  0xFF01   0xFF02=Done 
  310 km   Mileage Since last Regen
  16.5   Soot Load(g) Calculated
  0.0   Soot Load(g) Measured

and to follow up, here is the auto-scan (75 is the polar fis + PF03) the tank flap is from me cutting the wire to the fuel fill cap lock

Code:
Sunday,31,January,2016,14:55:13:51928
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 15.7.3.0 (x64)
Data version: 20151216
www.Ross-Tech.com


VIN: 3VWPL71K89M272852   License Plate: 
Mileage: 258850km-160841mi   Repair Order: 



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


Chassis Type: 1K (1K0)
Scan: 01 02 03 08 09 0F 15 16 17 19 1C 25 42 44 46 52 56 62 65 72
          75

VIN: 3VWPL71K89M272852   Mileage: 258850km-160841miles

01-Engine -- Status: OK 0000
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
0F-Digital Radio -- 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
1C-Position Sensing -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: Malfunction 0010
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
65-Tire Pressure -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
75-Telematics -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine (CBE)       Labels: 03L-906-022-CBE.clb
   Part No SW: 03L 997 016 P    HW: 03L 906 022 J
   Component: R4 2,0L EDC G000AG  8681  
   Revision: --H01---    Serial number: VWX7Z0H72491JO
   Coding: 0050078
   Shop #: WSC 00066 000 00000
   VCID: 3FA390536EB764C648-806A

No fault code found.
Readiness: 0 0 0 0 0 

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 02E-927-770.lbl
   Part No SW: 02E 300 050 D    HW: 02E 927 770 AD
   Component: GSG DSG         082 1402  
   Revision: 05108020    Serial number: 00001009261684
   Coding: 0000020
   Shop #: WSC 04940 001 00001
   VCID: 130B6CE332BF50A6DC-8046

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (-----)       Labels: 1K0-907-379-60EC1F.clb
   Part No SW: 1K0 907 379 AE    HW: 1K0 907 379 AE
   Component: ESP MK60EC1   H35 0104  
   Revision: 00H35001    
   Coding: 113B600D492900FC881306E9921B0042B100
   Shop #: WSC 00066 000 00000
   VCID: 75CF327BDC0BEE9652-8020

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 1K0-820-047.lbl
   Part No SW: 1K0 820 047 HS    HW: 1K0 820 047 HS
   Component: Climatic PQ35   142 1111  
   Revision: 00142031    Serial number: 00000000000000
   Shop #: WSC 00000 000 00000
   VCID: 7CD9275F3F21BFDE2D-8028

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels: 3C0-937-049-30-M.lbl
   Part No SW: 3C8 937 049 D    HW: 3C8 937 049 D
   Component: Bordnetz-SG     H54 2602  
   Revision: 00H54000    Serial number: 00000001014370
   Coding: 14898F2340041500070000001C000000000873075C000120000000000000
   Shop #: WSC 00066 000 00000
   VCID: 3245C967ADE5B9AEB7-8066

   Subsystem 1 - Part No: 1K1 955 119 E  Labels: 1KX-955-119.CLB
   Component: Wischer 230808 021  0501  
   Coding: 00037781
   Shop #: WSC 00066  

No fault code found.

-------------------------------------------------------------------------------
Address 0F: Digital Radio        Labels: 8E0-035-593-SIR.lbl
   Part No SW: 8E0 035 593 M    HW: 8E0 035 593 M
   Component: SDAR SIRIUS     H07 0150  
   Revision: 00000000    Serial number: AUZ4Z7H0382262
   Coding: 0000100
   Shop #: WSC 00066 000 00000
   VCID: 334BCC6352FFB0A6BC-8066

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 1K0-909-605.lbl
   Part No SW: 1K0 909 605 AB    HW: 1K0 909 605 AB
   Component: 78 AIRBAG VW8R  034 8000  
   Revision: 05034000    Serial number: 003B6M06G1H$  
   Coding: 0014136
   Shop #: WSC 00066 000 00000
   VCID: 6CF9171F4F412F5EBD-8038

   Subsystem 1 - Part No: 1K0 959 339 H
   Component: BF-Gewichtsens. 007 0006

   Subsystem 2 - Serial number: 6332MSME3B0044340

   Subsystem 3 - Serial number: 6342MSME3E307878M

   Subsystem 4 - Serial number: 6351HSME174A4C71D

   Subsystem 5 - Serial number: 6361HSME175F5826H

   Subsystem 6 - Serial number: 63727SME16701603R

   Subsystem 7 - Serial number: 63827SME16701021M

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl
   Part No SW: 1K0 953 549 BR    HW: 1K0 953 549 BR
   Component: J0527           051 0101  
   Coding: 0010042
   Shop #: WSC 00066 000 00000
   VCID: 032B5CA342DFC0266C-8056

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 1K0-920-xxx-17.lbl
   Part No SW: 1K0 920 974 N    HW: 1K0 920 974 N
   Component: KOMBIINSTRUMENT 3HL 2418  
   Revision: V0003000    Serial number: VWX7Z0H72491JO
   Coding: 0007203
   Shop #: WSC 00066 000 00000
   VCID: 3957FE4B70934AF676-806C

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels: 1K0-907-530-V3.clb
   Part No SW: 1K0 907 530 Q    HW: 1K0 907 951 
   Component: J533  Gateway   H07 0062  
   Revision:   H07 01    Serial number: 020708F1000751
   Coding: ED807F072013022002
   Shop #: WSC 00066 000 00000
   VCID: 354FF27B5C8BAE9692-8060

No fault code found.

-------------------------------------------------------------------------------
Address 1C: Position Sensing        Labels: 1Kx-919-xxx-1C.lbl
   Part No SW: 1K6 919 879     HW: 1K6 919 879 
   Component: Kompass         001 0003  
   Revision: 00001000    Serial number: 1225223T2EKX03
   Shop #: WSC 00000 000 00000
   VCID: 7DDF2A5B243BB6D61A-8028

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
   Part No SW: 1K0 920 974 N    HW: 1K0 920 974 N
   Component: IMMO            3HL 2418  
   Revision: V0003000    Serial number: VWX7Z0H72491JO
   Shop #: WSC 00000 000 00000
   VCID: 3957FE4B70934AF676-806C

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver        Labels: 1K0-959-701-MIN3.lbl
   Part No SW: 1K0 959 701 AC    HW: 1K0 959 793 N
   Component: J386  TUER-SG FT    1519  
   Revision: 72009005    Serial number: 00000532488807
   Coding: 0001205
   Shop #: WSC 00066 000 00000
   VCID: 6FC300137E57D44698-803A

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1Kx-909-14x-44.clb
   Part No: 1K0 909 144 C
   Component: EPS_ZFLS Kl. 70     2301  
   Revision: 00H15000    
   Shop #: WSC 02069 000 90108
   VCID: 2A75D1078535F16E0F-807E

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels: 1K0-959-433-MAX.clb
   Part No SW: 1K0 959 433 CT    HW: 1K0 959 433 CT
   Component:    KSG PQ35 RDK 052 0221  
   Revision: 00052000    Serial number: 00000000000000
   Coding: 139007885283281B0904058FB0880F0488DC00
   Shop #: WSC 00066 000 00000
   VCID: 04295FBF47D1C71E55-8050

   Subsystem 1 - Component:   Sounder n.mounted     

   Subsystem 2 - Component:       NGS n.mounted     

   Subsystem 3 - Component:      IRUE n.mounted     

1 Fault Found:
00332 - Control Circuit for Tank Flap 
            007 - Short to Ground
             Freeze Frame:
                    Fault Status: 01100111
                    Fault Priority: 4
                    Fault Frequency: 254
                    Reset counter: 187
                    Mileage: 205700 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 13:05:22


-------------------------------------------------------------------------------
Address 52: Door Elect, Pass.        Labels: 1K0-959-702-MIN3.lbl
   Part No SW: 1K0 959 702 AC    HW: 1K0 959 792 N
   Component: J387  TUER-SG BT    1519  
   Revision: 72009005    Serial number: 00000552988807
   Coding: 0001204
   Shop #: WSC 00066 000 00000
   VCID: 70C1036F6369CBBE81-8024

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 1K0-035-1xx-56.lbl
   Part No SW: 1K0 035 180 L    HW: 1K0 035 180 L
   Component: Radio DE2       016 0020  
   Revision: 00016000    Serial number: VWZ4Z7H2224675
   Coding: 0010400
   Shop #: WSC 00000 000 00000
   VCID: 29772E0B8033FA7606-807C

2 Faults Found:
01044 - Control Module Incorrectly Coded 
            000 -  - 
00003 - Control Module 
            014 - Defective

-------------------------------------------------------------------------------
Address 62: Door, Rear Left        Labels: 1K0-959-703-GEN3.lbl
   Part No SW: 1K0 959 703 AH    HW: 1K0 959 795 T
   Component: J388   TUER-SG HL   1401  
   Revision: 12006001    Serial number: 00000003360131
   Coding: 0001168
   Shop #: WSC 00066 000 00000
   VCID: 76CD3577010DE58E5B-8022

No fault code found.

-------------------------------------------------------------------------------
Address 65: Tire Pressure        Labels: 3C0-959-433-65.lbl
   Part No SW: 1K0 959 433 CT    HW: 1K0 959 433 CT
   Component:    RDK              0450  
   Revision: 00052000    Serial number: 00000000000000
   Coding: 0100101
   Shop #: WSC 00066 000 00000
   VCID: 04295FBF47D1C71E55-8050

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right        Labels: 1K0-959-704-GEN3.lbl
   Part No SW: 1K0 959 704 AH    HW: 1K0 959 794 T
   Component: J389   TUER-SG HR   1401  
   Revision: 12006001    Serial number: 00000003383939
   Coding: 0001168
   Shop #: WSC 00066 000 00000
   VCID: 77D3387306079C8640-8022

No fault code found.

-------------------------------------------------------------------------------
Address 75: Telematics
Cannot be reached

End-------------------------(Elapsed Time: 01:27)--------------------------
 
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   #7  

mikeme

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and the update to put this to bed. saw some action on the measured soot today. (0.6grams on the PF03)

looking back, I should have not run the coding for the DPF differential pressure sensor 450 after changing the pressure sensor 2 that measures drop on the low pressure EGR.

I should have known that , from a fella that stopped by, having changed his sensor and did not adapt anything. his auto scan was fine, and the DPF readings were all good. (evidence of active regeneration after the sensor replacement.)

(and the wife made it across the room and is checking out of the hospital tomorrow. she did so good they will not spring for an ambulance so we will drive back to northern Virginia in the morning.)
 
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