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Thread: P200200 Particulate Trap Bank 1 Efficiency Below Threshold

  1. #1
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    P200200 Particulate Trap Bank 1 Efficiency Below Threshold

    Hi
    Looking for further troubleshooting info tips & assistance..
    I am wondering is it possible to know what sensors are feeding into the ECU control loop and their maximum set points in relation to this particular P200200 error message.

    Below error message & Work done to date,,

    (1) Replaced (A) "Exhaust gas pressure sensor G450 and done "adaptation
    (B) “Pressure differential sender G505” and done "adaptation
    error re-occurred.
    (2) Carried out "Service regeneration of particulate filter while driving",, error re-occurred (Particle filter, soot mass measured 1.77g)
    (3) No symptoms other than engine management light came on.
    (4) Verified both G450 & G505 sensors reading when using handheld pressure pump and checking both hand pressure reading unit & ECU readings were the same.
    (5) Checked all sensor pipes for blockages.


    Code:
    Car: Audi A4
    
    Year: 2015
    
    Body type: Saloon
    
    Engine: CNHC 120 kW (163 HP) 2.0 l
    
    Mileage: 139370 KM
    
    
    
    ---------------------------------------------------------------
    
    01 Engine Control Module 1
    
    
    
    System description: R4 2,0L EDC
    
    Software number: 04L906021BQ
    
    Software version: 8245
    
    Hardware number: 04L907309
    
    Hardware version: H23
    
    ODX name: EV_ECM20TDI01104L906021BQ
    
    ODX version: 002005
    
    Long coding: 0A194012242401080000
    
    
    
    Trouble codes:
    
    P200200 - Particulate Trap Bank 1 Efficiency Below Threshold
    
    static
    
    Date: 2019-12-10 08:27:40
    
    Mileage: 139206 km
    
    Priority: 2
    
    Malfunction frequency counter: 3
    
    Unlearning counter: 255
    
    Engine speed: 1800.00 1/min
    
    Normed load value: 56.9 %
    
    Vehicle speed: 105 km/h
    
    Coolant temperature: 91 C
    
    Intake air temperature: 78 C
    
    Ambient air pressure: 980 mbar
    
    Voltage terminal 30: 14.500 V
    Last edited by Uwe; 01-20-2020 at 07:13 PM. Reason: CODE tags

  2. #2
    Benevolent Dictator Uwe's Avatar
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    I'm not sure where the data above came from, but it wasn't VCDS. Please post data from VCDS.

    -Uwe-
    Last edited by Uwe; 01-21-2020 at 07:26 PM. Reason: typo
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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  4. #3
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    Hi
    Have not purchased a VCDS yet !!, was kicking the wheels to see what the possibilities are in relation to finding parameters limits/set points on particular problems taking the one above as an example..
    Reviewing the error above on the erWin site was hoping to find given set-points limits etc in the manuals but only came across a TPI from 16Nov19 indicating the Low Pressure EGR Cooler as a possible root cause. Would be easier to stick my hand in a wasps nest to find honey than get in at this where they put it..
    I suppose you are going to tell me to go away now !!!
    Rgs

  5. #4
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    " I suppose you are going to tell me to go away now !!! "
    No, you could buy VCDS, You won't regret it and it opens up all the free support from this Forum.
    Regards HMC

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