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Thread: Can not find an option a to recalibrate G450 sensor

  1. #1
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    Can not find an option a to recalibrate G450 sensor

    I replaced 076-906-051a pressure sensors and having a hard time finding a way to recalibrate them. Can someone please help? More specifically I can not find menu options to let me do that on VCDS. I guess these sensors are called G450 and G451.
    Last edited by axnels2; 06-10-2014 at 12:43 PM.

  2. #2
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    No one recalibrated the exhaust sensors on TDI? Odd. Where can I find a complete list of VCDS features and functions?

  3. #3
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    Procedures will vary based on the control module. This post would be better in the vehicle repair section. I will move the post but ask that you also post an autoscan so we have more specific vehicle details.

  4. #4
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    Santos, thanks for helping me post to correct forums. this is 2009 jsw MKV 2.0 tdi with DSG... Here is a recent autoscan.

    Code:
    VIN: 3VWPL71K59M323465 License Plate: 
    Mileage: 93610km-58166mi 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
    
    
    VIN: 3VWPL71K59M323465 Mileage: 93610km/58166miles
    
    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: Malfunction 0010
    09-Cent. Elect. -- Status: OK 0000
    0F-Digital Radio -- Status: Cannot be reached 1100
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: Malfunction 0010
    1C-Position Sensing -- Status: OK 0000
    25-Immobilizer -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: Malfunction 0010
    46-Central Conv. -- Status: Malfunction 0010
    52-Door Elect, Pass. -- Status: OK 0000
    56-Radio -- Status: Cannot be reached 1100
    62-Door, Rear Left -- Status: OK 0000
    65-Tire Pressure -- Status: OK 0000
    72-Door, Rear Right -- 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: 12H01--- Serial number: VWX7Z0I124C0GP
    Coding: 0050078
    Shop #: WSC 00066 000 00000
    VCID: 3FA3AAE56EB2B7E6A2D-806A
    
    2 Faults Found:
    001146 - Exhaust Pressure Sensor 2 
    P047A - 000 - Open Circuit - Intermittent
    Freeze Frame:
    Fault Status: 00100000
    Fault Priority: 2
    Fault Frequency: 2
    Reset counter: 255
    Mileage: 93566 km
    Time Indication: 0
    Date: 2000.00.00
    Time: 12:18:55
    
    Freeze Frame:
    RPM: 0 /min
    Speed: 0.0 km/h
    Temperature: 25.2∞C
    Temperature: 67.5∞C
    Temperature: 54.0∞C
    Pressure: 0 mbar
    Pressure: 0 mbar
    
    001674 - ECM Power Relay Load Circuit: (J271) 
    P068A - 000 - De-Energized Performance Too Early - Intermittent
    Freeze Frame:
    Fault Status: 00100000
    Fault Priority: 2
    Fault Frequency: 1
    Reset counter: 255
    Mileage: 0 km
    Time Indication: 0
    
    Freeze Frame:
    RPM: 0 /min
    Speed: 0.0 km/h
    Load: 0.0 %
    Voltage: 0.00 V
    Hex Value: 0xFF00
    Bin. Bits: 00000000
    Temperature: -90.0∞C
    
    Readiness: 0 0 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans Labels: 02E-927-770.lbl
    Part No SW: 02E 300 052 HW: 02E 927 770 AJ
    Component: GSG DSG AG6 440 1953 
    Revision: 04844002 Serial number: 00000811130854
    Coding: 0000020
    Shop #: WSC 00028 000 00000
    VCID: D1871C5D4826B196C49-8084
    
    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 0106 
    Revision: 00H35001 
    Coding: 113B600D492400FD880F06EA921E0042B100
    Shop #: WSC 00066 000 00000
    VCID: 75CF08CDDC0E3DB6B81-8020
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC Labels: 1K0-820-047.lbl
    Part No SW: 1K0 820 047 JJ HW: 1K0 820 047 JJ
    Component: Climatic PQ35 143 1313 
    Revision: 00143033 Serial number: 00000000000000
    Shop #: WSC 00000 000 00000
    VCID: 75CF08CD1C0E3DB6B81-8020
    
    2 Faults Found:
    01296 - Sensor for Vent Temperature; Center (G191) 
    007 - Short to Ground
    00229 - Refrigerant Pressure 
    002 - Lower Limit Exceeded - Intermittent
    
    -------------------------------------------------------------------------------
    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: 00000009298417
    Coding: 04898F2340041500070000001C000000000873075C00012000 0000000000
    Shop #: WSC 00066 000 00000
    VCID: 3245F3D1ADE06A8E5D3-8067
    
    Subsystem 1 - Part No: 1K1 955 119 E Labels: 1KX-955-119.CLB
    Component: Wischer 050209 021 0501 
    Coding: 00038805
    Shop #: WSC 00066 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags Labels: 1K0-909-605.lbl
    Part No SW: 1K0 909 605 AC HW: 1K0 909 605 AC
    Component: 0K AIRBAG VW8R 038 8600 
    Revision: 07038000 Serial number: 003E7M08L391 
    Coding: 0012363
    Shop #: WSC 00066 000 00000
    VCID: 6DFF20AD745EF576401-8038
    
    Subsystem 1 - Part No: 1K0 959 339 H
    Component: BF-Gewichtsens. 007 0006
    
    Subsystem 2 - Serial number: 6332MSME41052F143
    
    Subsystem 3 - Serial number: 6342MSME4330563EA
    
    Subsystem 4 - Serial number: 6351HSME1B452579B
    
    Subsystem 5 - Serial number: 6361HSME1B2E0871C
    
    Subsystem 6 - Serial number: 63727SME1B600D5B7
    
    Subsystem 7 - Serial number: 63827SME1B60146D3
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel Labels: 1K0-953-549-MY9.lbl
    Part No SW: 1K0 953 549 CP HW: 1K0 953 549 CP
    Component: J0527 053 0111 
    Coding: 0001034
    Shop #: WSC 00066 000 00000
    VCID: 8225E311DDC09A0E0D3-80D7
    
    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: V0005000 Serial number: VWX7Z0I124C0GP
    Coding: 0007203
    Shop #: WSC 20129 444 64522
    VCID: 3957C4FD709699D69C9-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway Labels: 1K0-907-530-V4.clb
    Part No SW: 1K0 907 530 S HW: 1K0 907 951 
    Component: J533 Gateway H07 0071 
    Revision: H07 01 Serial number: 101208F2000424
    Coding: ED807F07001302002002
    Shop #: WSC 00066 000 00000
    VCID: 3753C2C546828FA66AD-8062
    
    2 Faults Found:
    01304 - Radio 
    004 - No Signal/Communication
    Freeze Frame:
    Fault Status: 01100100
    Fault Priority: 2
    Fault Frequency: 1
    Reset counter: 184
    Mileage: 71553 km
    Time Indication: 0
    Date: 2000.00.00
    Time: 08:06:50
    
    02649 - Digital Radio Tuner 
    004 - No Signal/Communication
    Freeze Frame:
    Fault Status: 01100100
    Fault Priority: 2
    Fault Frequency: 1
    Reset counter: 209
    Mileage: 72038 km
    Time Indication: 0
    Date: 2000.00.00
    Time: 18:25:19
    
    
    -------------------------------------------------------------------------------
    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: 1225223T2EGJ03
    Shop #: WSC 00000 000 00000
    VCID: FDDF90EDA43EE5F6701-80A8
    
    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: V0005000 Serial number: VWX7Z0I124C0GP
    Shop #: WSC 00000 000 00000
    VCID: 3957C4FD709699D69C9-806C
    
    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: 00000515189128
    Coding: 0001205
    Shop #: WSC 00066 000 00000
    VCID: 6FC33AA57E52076672D-803A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist Labels: 1Kx-909-14x-44.clb
    Part No: 1K0 909 144 E
    Component: EPS_ZFLS Kl. 70 2501 
    Revision: 00H15000 
    Shop #: WSC 02069 000 90108
    VCID: 2C79EDA98FC43C7E17F-8079
    
    1 Fault Found:
    00778 - Steering Angle Sensor (G85) 
    000 - - - MIL ON
    Freeze Frame:
    Fault Status: 11100000
    Fault Priority: 2
    Fault Frequency: 1
    Reset counter: 255
    Time Indication: 0
    
    Freeze Frame:
    Battery Volts: 11.2 V
    PD
    Temperature: 17.0∞C
    Count: 2
    Steering Angle: 0.00∞
    Count: 0
    SteerAng n.Init
    
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv. Labels: 1K0-959-433-MAX.clb
    Part No SW: 1K0 959 433 DA HW: 1K0 959 433 DA
    Component: KSG PQ35 RDK 052 0225 
    Revision: 00052000 Serial number: 00000000000000
    Coding: 1390078852830C3E29040585B0880F0488DC00
    Shop #: WSC 00066 000 00000
    VCID: 72C533D16D602A8E9D3-8027
    
    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 - Intermittent
    Freeze Frame:
    Fault Status: 00110111
    Fault Priority: 4
    Fault Frequency: 1
    Reset counter: 118
    Mileage: 0 km
    Time Indication: 0
    
    
    -------------------------------------------------------------------------------
    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: 08121601350503
    Coding: 0001204
    Shop #: WSC 00066 000 00000
    VCID: 70C139D9636C189E6B7-8025
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    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: 00000003721937
    Coding: 0001168
    Shop #: WSC 00066 000 00000
    VCID: 76CD0FC1010836AEB1B-8023
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 65: Tire Pressure Labels: 3C0-959-433-65.lbl
    Part No SW: 1K0 959 433 DA HW: 1K0 959 433 DA
    Component: RDK 0453 
    Revision: 00052000 Serial number: 00000000000000
    Coding: 0100101
    Shop #: WSC 00066 000 00000
    VCID: 72C533D16D602A8E9D3-8027
    
    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: 00000003761699
    Coding: 0001168
    Shop #: WSC 00066 000 00000
    VCID: 77D302C506024FA6AAD-8022
    
    No fault code found.
    
    End ---------------------------------------------------------------------
    Last edited by Uwe; 06-10-2014 at 06:58 PM. Reason: Wrapped CODE tags around Auto-Scan

  5. #5
    Ross-Tech Employee Dana's Avatar
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    For some reason we get a lot of calls about incorrect replacement sensors sold to repair shops from the VW dealer so please make sure that BOTH sensors were NOT the same 076-906-051-A part number.

    1K0-131-552-B is control line with pressure difference sender per PartsLink24 by VIN
    03G-906-051-A is pressure difference sender per PartsLink24 and supersedes to 076-906-051-A as far as I can tell.

    Based on the parts illustrations alone (I did not dig through the repair manual yet) it looks like the 1K0 sensor is the front/upstream G450 and the 076 sensor is the rear/downstream sensor which should be named G451. If you aren't sure please check the part numbers located on the old sensors and post the numbers here for review.



    Exhaust Gas Differential Pressure Sensor (G450) Adaptation is performed as follows:

    * Key ON, Engine OFF
    * [Coding-2] or [Login-II] button
    * Enter 30605 [Do It!]
    * Switch Ignition OFF for 30 seconds

    After the key is cycled back on the adaptation should be completed. If it is not completed, proceed with the next steps:

    These steps must be repeated 5 times.
    * Ignition ON
    * Wait 5 seconds
    * Ignition OFF
    * Wait 40 seconds
    * Repeat 4 more times

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  7. #6
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    Dana, thank you for your reply. My sensors were 076-906-051-A sensor1 and 03G-906-051-A (exhaust Pressure Sensor 2 ). Sensor 2 have been replaced with 076-906-051-A as I was told it is more current part. So now both of my sensors are 076-906-051-A. Car appears to be working fine and I don't see any trouble codes... Car already went through a regen and I did not observe any abnormalities.

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  9. #7
    Ross-Tech Employee Dana's Avatar
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    Thanks for posting the part numbers! If you encounter any further issues or fault codes in the exhaust system (DPF, EGR or similar) please update this thread.

    -Dana

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