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Thread: P2002 - Efficiency Below Threshold

  1. #1
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    P2002 - Efficiency Below Threshold

    Hello,

    This might have been asked a lot of times but I need a little bit feedback if possible please.
    History: Skoda Octavia 1.6L CR TDI, new injectors and new EGR. After replacement of those parts engine light came on with the P2002 code after some driving. The first time I managed to clean it by service regeneration. The measured soot was 66g and it was close to the 70g limit. After regen it fell down to 6g and management light turned off. Decided just in case to use one of these DPF cleaners and fuel additive for DPF cleaninbg as well. After a few days the management light came on again after a long trip, so something is not right. I have looked into the values but the soot was a negative number. This does not seem right. Did pressure sensor got damaged or something? What do you think? The car does many frequent regenerations
    Planning to inspect the sensors around the DPF this weekend
    Thanks in advance for any tip

    Full scan and some data attached



    Code:
    Tuesday,21,May,2019,21:08:35:26039
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
    VCDS Version: 18.9.1.0 (x64)  HEX-V2 CB: 0.4436.4
    Data version: 20190114 DS296.0
    www.Ross-Tech.com
    
    
    VIN: TMBJT21Z8A2026985   License Plate: WO10TXZ
    Mileage: 116220km-72215mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 1Z-SK35 (1K0)
    Scan: 01 03 08 09 15 16 17 19 25 42 44 46 52 56
    
    VIN: TMBJT21Z8A2026985   Mileage: 116220km-72215miles
    
    01-Engine -- Status: Malfunction 0010
    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
    42-Door Elect, Driver -- Status: Malfunction 0010
    44-Steering Assist -- Status: OK 0000
    46-Central Conv. -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    56-Radio -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CAYC)       Labels:. 03L-906-023-CAY.clb
       Part No SW: 03L 906 023 AG    HW: 03L 906 023 AG
       Component: R4 1.6l TDI   H23 9979  
       Revision: --H23---    Serial number:               
       Coding: 00114014030500080000
       Shop #: WSC 73430 031 00999
       ASAM Dataset: EV_ECM16TDI02103L906023AG 003014
       ROD: EV_ECM16TDI02103L997557M.rod
       VCID: 6B8237825303AB2F5BF-803E
    
    1 Fault Found:
    11791 - Particulate Trap Bank 1 
              P2002 00 [237] - Efficiency Below Threshold
              MIL ON - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Mileage: 115823 km
                        Date: 2019.05.12
                        Time: 01:23:48
    
                        Engine speed: 1605.00 /min
                        Normed load value: 52.5 %
                        Vehicle speed: 63 km/h
                        Coolant temperature: 94 C
                        Intake air temperature: 20 C
                        Ambient air pressure: 1010 mbar
                        Voltage terminal 30: 14.344 V
                        Unlearning counter according OBD: 40
                        Air mass: actual value:: 6.34 g/s
                        Particle filter: difference pressure-DIP_PF: 0.00 hPa
                        Particle filter: soot mass measured-MASS_SOOT_PHY_PF: 26.70 g
                        Particle filter: soot mass calculated-MASS_SOOT_SIM_PF: 61.66 g
                        Particle filter: offset for differential press.-DIP_PF_AD[0]: 0.00 hPa
                        Exh.gas temp.sen 3-TEG_MES[1]: 314.79 C
                        Exh.gas temp.sen 4-TEG_MES[2]: 299.98 C
    
    Readiness: 1 1 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels:. 1K0-907-379-MK70M.clb
       Part No SW: 1K0 907 379 AQ    HW: 1K0 907 379 AQ
       Component: MABS MK70M          0105  
       Revision: 00H32001    
       Coding: 0016641
       Shop #: WSC 73430 790 00999
       VCID: 015E752A4D0F517F913-8054
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J301)       Labels:| 3C8-907-336.clb
       Part No SW: 3T0 820 047 H    HW: 3T0 820 047 H
       Component: Climatic      130 0203  
       Revision: 00005001    
       Coding: 0000000000
       Shop #: WSC 73430 790 00999
       ASAM Dataset: EV_Climatic A01001
       ROD: EV_ClimaBasis_SK35.rod
       VCID: 3430ECFE4EBD34D74A5-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 1K0-937-08x-09.clb
       Part No SW: 1K0 937 085 D    HW: 1K0 937 085 D
       Component: BCM PQ35  B+  103 0541  
       Revision: 00103 AE    
       Coding: 48180AB8B0050CB04010008011000024010000AE424D81605C4440000000
       Shop #: WSC 73430 790 00999
       VCID: 3038E0EEBA2508F72ED-8064
    
       Subsystem 1 - Part No: 1Z2 955 119 C  Labels: 1KX-955-119.CLB
       Component: Wischer 14070  22  0601 
       Coding: 00D7B7
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 1K0-909-605.lbl
       Part No SW: 1K0 909 605 T    HW: 1K0 909 605 T
       Component: Q4 AIRBAG VW8   020 2300  
       Revision: 05020000    Serial number: 0038PD2EVLJ7  
       Coding: 0020788
       Shop #: WSC 73430 790 00999
       VCID: 3D26C9DA7177F59FB5B-8068
    
       Subsystem 1 - Serial number: 6332MSME4964236AF
    
       Subsystem 2 - Serial number: 6342MSME485431085
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 1K0-953-549-MY9.lbl
       Part No SW: 1K0 953 549 DA    HW: 1K0 953 549 DA
       Component: J0527           053 0111  
       Coding: 0000002
       Shop #: WSC 73430 790 00999
       VCID: 74B02CFE02BD74D78A5-8020
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
       Part No SW: 1Z0 920 903 D    HW: 1Z0 920 903 D
       Component: KOMBI         H21 0110  
       Serial number: 00000000000000
       Coding: 410300
       Shop #: WSC 73430 031 00999
       ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04040
       ROD: EV_Kombi_UDS_VDD_RM09_004_SK34.rod
       VCID: 3634D6F658C126C7741-8062
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 1K0-907-530-V4.clb
       Part No SW: 1K0 907 530 AA    HW: 1K0 907 951 
       Component: J533  Gateway   H16 5223  
       Revision:   H16       Serial number: 4120K0972709A1
       Coding: E9801F06000202002303
       Shop #: WSC 73430 790 00999
       VCID: 669446B644619647041-8032
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer (J334)       Labels:. 5K0-920-xxx-25.clb
       Part No SW: 1Z0 920 903 D    HW: 1Z0 920 903 D
       Component: IMMO          H21 0110  
       Serial number: 00000000000000
       ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03004
       ROD: EV_Immo_UDS_VDD_RM09.rod
       VCID: 3634D6F658C126C7741-8062
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels:. 1K0-959-701-MIN3.clb
       Part No SW: 1T0 959 701 T    HW: 1T0 959 701 T
       Component: Tuer-SG         009 2114  
       Coding: 0000564
       Shop #: WSC 73430 790 00999
       VCID: 48C8A80E2EB5A03716D-801C
    
    1 Fault Found:
    01030 - Central Locking Key Switch; Driver Side; Lock 
                008 - Implausible Signal
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
       Part No: 1K0 909 144 H
       Component: EPS_ZFLS Kl. 69     2901  
       Revision: 00H17000    
       Shop #: WSC 73430 790 00999
       VCID: 2F3AE392AB1B170F377-807A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels:. 1K0-959-702-MIN3.clb
       Part No SW: 1T0 959 702 R    HW: 1T0 959 702 R
       Component: Tuer-SG         009 2114  
       Coding: 0000564
       Shop #: WSC 73430 790 00999
       VCID: 47CAAB3223ABAF4F1F7-8012
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
       Part No SW: 1Z0 035 161 G    HW: 1Z0 035 161 G
       Component: Radio-SWING   008 0021  
       Revision: -----09S    Serial number: SKZ4Z2J1112843
       Coding: 000002000001
       Shop #: WSC 73430 790 00999
       VCID: 323CEAE6B4293AE7589-8066
    
    No fault code found.
    
    End------(Elapsed Time: 00:41, VBatt start/end: 12.5V/12.5V, udsna)--------

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  3. #2
    NostraJackAss Jack@European_Parts's Avatar
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    The sensor is faulty or pipe is plugged to sensor.
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  5. #3
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    Quote Originally Posted by Jack@European_Parts View Post
    The sensor is faulty or pipe is plugged to sensor.
    Great thanks, will check it out

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