BGU EGR TROUBLES

   #1  

Nevilleh

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Hi
Please assist with EGR on caddy 1.6i petrol BGU motor.

Code:
Vehicle runs fine, only if EGR unit unplugged.
Once EGR unit plugged in brakes gets hard, engine idle fluctuates and switches off, Any suggestions? I have tried another unit problem is same.

Monday,19,October,2020,19:13:58:41558
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 20.4.2.0 (x64)  HEX-V2 CB: 0.4513.4
Data version: 20200730 DS317.0
www.Ross-Tech.com

Dealer/Shop Name: ATMT ELECTRONICS

VIN: WV1ZZZ2KZ5X065729   License Plate: CADDE
Mileage: 273770km-170112mi   Repair Order:



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


Chassis Type: 2K (1K0)
Scan: 01 03 09 15 16 17 19 25 44 56

VIN: WV1ZZZ2KZ5X065729   Mileage: 273770km-170112miles

00-Steering Angle Sensor -- Status: OK 0000
01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- 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: Malfunction 0010
25-Immobilizer -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
56-Radio -- Status: Cannot be reached 1100
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 06A-906-033-BGU.lbl
   Part No: 06A 906 033 CF
   Component: SIMOS71 1.6l 2VG    9867 
   Revision: --H04---    Serial number: VWZ7Z0D1216935
   Coding: 0002031
   Shop #: WSC 00999 444 64523
   VCID: 65964EF7C96BE343C15-8030

1 Fault Found:
18107 - Powertrain Data Bus
            P1699 - 009 - Missing Message from Steering Wheel Electronics
             Freeze Frame:
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Load: 9.0 %
                    Bin. Bits: 00000001
                    RPM: 0 /min
                    Speed: 0.0 km/h
                    Load: 9.0 %
                    Bin. Bits: 00000001

Readiness: 0110 1101

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 1K0-907-379-MK70.lbl
   Part No: 2K0 907 379 A
   Component: ASR FRONT MK70      0105 
   Coding: 0017106
   Shop #: WSC 35110 377 08192
   VCID: 313EEAA7CD237FE3EDD-8064

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels:. 1K0-937-049-21-B.lbl
   Part No SW: 1K0 937 049 P    HW: 1K0 937 049 P*
   Component: Bordnetz-SG 1.0 H32 0401 
   Revision: 00H32000    Serial number: 00000001344702
   Coding: 00844F0000041000000000000000000000
   Shop #: WSC 35110 377 08192
   VCID: 3C20CB931A61828B4EB-8068

   Subsystem 1 - Part No: 2K2 955 119 B  Labels: 1KX-955-119.CLB
   Component: Wischer VW357  012  0402 
   Coding: 00065493
   Shop #: WSC 35110 

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 6Q0-909-605-VW52.lbl
   Part No SW: 6Q0 909 605 AH    HW: 6Q0 909 605 AH
   Component: 09 AIRBAG VW52  023 2400 
   Revision: 04023000    Serial number: 0037TD05D9SL 
   Coding: 0012345
   Shop #: WSC 35110 377 00192
   VCID: 7DA6069741FB4B83395-8028

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl
   Part No SW: 1K0 953 549 E    HW: 1K0 953 549 E
   Component: Lenksäulenmodul 521 0050 
   Coding: 0000001
   Shop #: WSC 35110 377 08192
   VCID: 3430E3B332314ACB86B-8060

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 1K0-920-xxx-17.lbl
   Part No: 2K0 920 841 B
   Component: KOMBIINSTRUMENT VDD 0716 
   Coding: 0016103
   Shop #: WSC 02232 996 63502
   VCID: 270A04FFF3E73153339-8072

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels:. 1K0-907-530-V1.clb
   Part No SW: 1K0 907 530 E    HW: 1K0 907 951
   Component: Gateway         H09 0110 
   Revision: 09          Serial number: 2700104C040DDD
   Coding: 3D010140079001
   Shop #: WSC 35110 377 00192
   VCID: 290E02C7E5F3072325D-807C

2 Faults Found:
01305 - Databus for Infotainment
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 1
                    Fault Frequency: 6
                    Reset counter: 184
                    Mileage: 273775 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 18:56:39

01304 - Radio
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 2
                    Fault Frequency: 6
                    Reset counter: 184
                    Mileage: 273775 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 18:56:43


-------------------------------------------------------------------------------
Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
   Part No: 2K0 920 841 B
   Component: IMMO            VDD 0716 
   Shop #: WSC 00000 000 00000
   VCID: 270A04FFF3E73153339-8072

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1Kx-909-144-G2V2.clb
   Part No: 1K2 909 144 H
   Component: EPS_ZFLS Kl.11      1502 
   Shop #: WSC 00000 000 00000
   VCID: 313EEAA7CD237FE3EDD-8064

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio
Cannot be reached

End----------(Elapsed Time: 00:35, VBatt start/end: 13.5V/12.5V)-----------
 
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   #2  

MartinsX

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Do You get a fault code when EGR is unplugged?
Have You checked intake, vacuum and EVAP systems for leaks?
 
   #3  

Nevilleh

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Do You get a fault code when EGR is unplugged?
Have You checked intake, vacuum and EVAP systems for leaks?

Hi, fault shows up sometimes on vcds scanning, I done scan now but fault didn't show, but vehicle is not functioning properly, once egr is unplugged then vehicle functions 100%, so issue only come up once egr is plugged in,
I'll check your recommendations and see if that fixes anything.

Thanks
 
   #4  

MartinsX

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You say no fault code with unplugged EGR, or code shows up sometimes while driving with unplugged EGR ???
 
   #5  

Nevilleh

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You say no fault code with unplugged EGR, or code shows up sometimes while driving with unplugged EGR ???

With EGR plugged in fault code sometimes shows on scanning, and sometimes it don't show on scanning.
When EGR is plugged in vehicle performs bad, brakes are hard, when unplugging EGR unit vehicle works perfect, brakes works 100% again.
 
   #6  

MartinsX

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My question was do You get fault codes stored when EGR is unplugged? If yes, what codes?
 
   #7  

Nevilleh

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My question was do You get fault codes stored when EGR is unplugged? If yes, what codes?

Sorry, forgot to attach info
So when it does show the fault it shows:

16784 - EGR System
P0400 - 008 - Malfunction - Intermittent
Freeze Frame:
RPM: 0 /min
Voltage: 12.14 V
Load: 85.9 %
Load: 0.0 %
RPM: 0 /min
Voltage: 12.24 V
Load: 74.1 %
Load: 0.0 %
 
   #8  

MartinsX

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Looks like we don't understand each other...
You have an electric EGR valve N18 with position sensor G212.
When You disconnect connector from this device and switch on ignition or start engine, ECU must store at least 2 fault codes immediately. Does it?
 
   #9  

Nevilleh

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Looks like we don't understand each other...
You have an electric EGR valve N18 with position sensor G212.
When You disconnect connector from this device and switch on ignition or start engine, ECU must store at least 2 fault codes immediately. Does it?

No other fault codes come up (except for the 1 put up 16784/P0400)
 
   #10  

MartinsX

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Something is wrong here... Can You post a photo of connector where You unplug EGR?
Does ECU has some modified/tuned SW?
 
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