Help please Flashing coil light and EML on. Multiple codes 31391 27202 8208 8216 8217 8338

[Westcoast888]

Hi everyone, loving the forum for all the help and support. Unfortunately I need some help please.

2018 204 CXEB kombi on 38k with manual transmission

Engine fault codes

31391
27202

ABS fault codes
8208
8216
8217
8338


It’s been in my garage for a few months as it threw a code relating to a stuck turbo. As we were in the middle of moving and house renovation it got pushed further down the list of priorities! Anyway, fast forward to now and a friend who’s pretty good with diagnostics traced the fault to the boost sensor (G447) at the top of the engine which was then replaced. A further scan resulted in a replacement fuel pressure sensor (G247) and the other boost sensor on the front of the engine (G31). There were also stop start codes and ABS codes. A new battery and an ABS sensor were next on the list. Any way I’m left with a van which still has more codes! I don’t really want to ask my friend to help any more as he’s really busy and his mum is not very well.

So if I could possibly please ask for some help. I’m an electrician by trade so have an understanding of electrical stuff and have restored a few aircooled cars to show standard so have some mechanical experience. I have a foxwell scanner but I’m going to buy vcds as I’m sure it will come in handy with the other vw’s we own.

I’ll update once I’ve done the scan with vcds.

I’ve already removed the battery and revealed the ECU so I’m ready to get stuck in with some continuity tests..

Thanks in advance

 

[Westcoast888]

Vcds ordered! Looking forward to getting to grips with it and fingers crossed it can help with my vans problems.

 

[mmi]

31391 - Manifold / Barometric Pressure Sensor (G71) / (F96) - P0105 00 [035] - Malfunction
It's part of the combined mass air flow sensor right after air filter.

However, I believe the fault below is the one to start resolving the issues - because it's the circuit supplying reference voltage to various sensors thus I wouldn't be surprised if it would be contributing to all the faults. Including the ABS faults as they are referring to missing data from various sensors in/around the engine.

27202 - Sensor Reference Voltage A - P0641 00 [032] - Open Circuit

Vcds ordered! Looking forward to getting to grips with it and fingers crossed it can help with my vans problems.

Congrats! I'm confident you won't regret

---

Please start by sharing the following

(A) VCDS Auto-Scan​

How-to:​

IGNition ON​

VCDS > Auto-Scan > Auto-detect (CAN only) > Start........ Save​

The scan file (.TXT) will be in folder C:\Ross-Tech\VCDS\Logs\....​

​

(B) Engine's blockmap data - engine not running (ignition on)​

(C) Engine's blockmap data - engine ticking over​

How-to:​

VCDS > Applications > Controller Channel Map​

Tick/fill the boxes as below and click on Go​

​

​

​

The blockmap (.CSV) files will be in folder C:\Ross-Tech\VCDS\Logs\...​

---

The blockmap file contains almost 1500 measurement values/data items from the engine.
The first ones to check re the fault:

 

[manfrotto]

What is the condition of your battery, especially if it has been sitting for a while. A battery in poor condition can cause spurious faults.

 

[Westcoast888]

31391 - Manifold / Barometric Pressure Sensor (G71) / (F96) - P0105 00 [035] - Malfunction
It's part of the combined mass air flow sensor right after air filter.

However, I believe the fault below is the one to start resolving the issues - because it's the circuit supplying reference voltage to various sensors thus I wouldn't be surprised if it would be contributing to all the faults. Including the ABS faults as they are referring to missing data from various sensors in/around the engine.

27202 - Sensor Reference Voltage A - P0641 00 [032] - Open Circuit


Congrats! I'm confident you won't regret

---

Please start by sharing the following

(A) VCDS Auto-Scan​

How-to:​

IGNition ON​

VCDS > Auto-Scan > Auto-detect (CAN only) > Start........ Save​

The scan file (.TXT) will be in folder C:\Ross-Tech\VCDS\Logs\....​

​

(B) Engine's blockmap data - engine not running (ignition on)​

(C) Engine's blockmap data - engine ticking over​

How-to:​

VCDS > Applications > Controller Channel Map​

Tick/fill the boxes as below and click on Go​

​

View attachment 258080​

​

The blockmap (.CSV) files will be in folder C:\Ross-Tech\VCDS\Logs\...​

---

The blockmap files contains almost 1500 measurement values/data items from the engine.
The first ones to check re the fault:
View attachment 258081

Brilliant, many thanks. I’ve downloaded the wiring diagrams on here and I’m working my way through them with regards to the common sensors you mention above. It’s quite atask but I’m sure if I approach it one step or cable at a time I’ll get there. Im quite disappointed with the quality of the wiring to these sensors, the cables are very thin and some have very little slack which might cause breakages?

 

[Westcoast888]

What is the condition of your battery, especially if it has been sitting for a while. A battery in poor condition can cause spurious faults.

Battery was recently replaced like for like and I’m keeping it charged as necessary with an intelligent charger.

 

[Skyelectrix]

So as VCDS has arrived and i have a quiet afternoon I've began the learning process! please be gentle!

Battery voltage is 12.8v
confirmed that the voltage is good to the main fuses under the battery and the earth is good to the earth point alongside the fuses.

LHS headlamp has been removed to gain access.

there now seems to be a third engine fault showing (16097 - Fuel Pressure Sensor (G247)

VCDS auto scan with ignition on.

Monday,16,September,2024,15:05:08:20330
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 11 x64
VCDS Version: 24.7.0.0 (x64)  HEX-V2 CB: 0.4643.5
Data version: 20240715 DS356.3
www.Ross-Tech.com


VIN: WV1ZZZ7HZJH120xxx   License Plate: L3TRX
Mileage: 61590km-38270mi   Repair Order:



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


Chassis Type: 7H-VN75 (7E0)
Scan: 01 03 04 08 09 0D 10 13 15 17 19 25 55 5F 61 69 78 0B

VIN: WV1ZZZ7HZJH120xxx   Mileage: 61590km-38270miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: Malfunction 0010
0D-Slide Door, Left -- Status: OK 0000
10-Park/Steer Assist -- Status: OK 0000
13-Auto Dist. Reg -- Status: OK 0000
15-Airbags -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
55-Headlight Range -- Status: Malfunction 0010
5F-Information Electr. -- Status: OK 0000
61-Battery Regul. -- Status: OK 0000
69-Trailer -- Status: OK 0000
78-Slide Door, Right -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (2D2D2-CXEB)       Labels:. 04L-907-309-V2.clb
   Part No SW: 04L 906 056 LA    HW: 04L 907 445 A
   Component: R4 2.0l BTD   H03 3773 
   Revision: 23101001   
   Coding: 00194014432401080000
   Shop #: WSC 02762 790 50316
   ASAM Dataset: EV_ECM20BTD03004L906056LA 004004
   ROD: EV_ECM20BTD03004L906056KS_004.rod
   VCID: 77AC32629F49B2126E9-8022
   VINID: 9E606AAAA1D8A9A601080209181107410E

3 Faults Found:
31391 - Manifold / Barometric Pressure Sensor (G71) / (F96)
          P0105 00 [00100011] - Malfunction
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 61597 km
                    Date: 2075.01.03
                    Time: 00:03:03

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 15  C
                    Intake air temperature: 22  C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 10.015 V
                    Unlearning counter according OBD: 40
                    Air mass at air mass meter 1: 0.0 kg/h
                    Standardized air flow ratio: 1.000 counts
                    Exhaust recirc.valve 1 bank 1: posit.feedback - Actual value: -155.07 %
                    Throttl.valve adapt. 1 bank 1: posit feedback - Actual value: 100.00 %
                    Charge air pressure: specified value: 0.000 bar
                    Absolute intake pressure: 42 kPa abs
                    Mean injection quantity: 0 mg/stroke
                    Index of current engine mode: 10
                    Index of next requested engine mode: 10
                    Index of engine target mode: 10

16097 - Fuel Pressure Sensor (G247)
          P0193 00 [10100011] - Short to Plus
          MIL ON - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 61597 km

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 15  C
                    Intake air temperature: 21  C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 10.164 V
                    Unlearning counter according OBD: 40
                    Rail pressure regulation: status: Control operation: ignition on
                    HPV current demand coming from the IMV control: 1300 mA
                    HPV current demand coming from the HPV control: 100 mA
                    Mass airflow sensor 1 bank 1 airflow: raw value: 0.0 mg/stroke
                    P_L_Rail_pres_sample_cnts-counts: 985.053 counts
                    Fuel high pressure sensor: nominal value: 200.0 bar
                    Fuel high pressure sensor: actual value: 2366.0 bar
                    Mean injection quantity: 0 mg/stroke
                    Battery voltage: 9.953 V
                    Fuel temperature sensor 1: B1: raw value: 19.5  C
                    Coolant temperature at engine outlet: calculated: 15.5  C
                    Terminal 15 status: On
                    Setpoint generation interior torque: 0.0 Nm

27202 - Sensor Reference Voltage A
          P0641 00 [10100011] - Open Circuit
          MIL ON - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 61597 km
                    Date: 2075.01.03
                    Time: 00:03:02

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 15  C
                    Intake air temperature: 22  C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 10.031 V
                    Unlearning counter according OBD: 40
                    Engine status: Stop
                    Engine running time-Pressure BIN10 bar: 0 s
                    Control Module temperature: 15.0  C
                    ESM_Battery_voltage-Voltage: 10.05 V
                    Low battery mode active-Bool type: No
                    ESM_Vext_raw-ESM_sensor_voltage: 3.2891 V
                    Starter control: terminal 50 feedback-Terminal 50 on CAN: not active
                    Starter control: terminal 50 feedback-Terminal 50 CAN valid: active
                    Starter control: terminal 50 feedback-Terminal 50 via cable: not active
                    Starter control: terminal 50 feedback-Starter relay: not active
                    Starter control: terminal 50 feedback-Starter operation read back wire T50Ret: not active
                    Starter control: terminal 50 feedback: 8
                    Starter control: shut-off conditions 1-Immobilizer: not active
                    Starter control: shut-off conditions 1-Starter shift malfunction: not active
                    Starter control: shut-off conditions 1-Speed: not active
                    Starter control: shut-off conditions 1-Drivetrain: not active
                    Starter control: shut-off conditions 1-Speed: not active
                    Starter control: shut-off conditions 1-RPM aborted starts: active
                    Starter control: shut-off conditions 1-Engag. duration: not active
                    Starter control: shut-off conditions 1-Engag. duration aborted starts: not active
                    Starter control: shut-off conditions 1-Engag. duration panic start: not active
                    Starter control: shut-off conditions 1-new errors: not active
                    Starter control: shut-off conditions 1-manual start/error: not active
                    Starter control: shut-off conditions 1-ignition: not active
                    Starter control: shut-off conditions 1-Clutch error/terminal 50 malfunction: not active
                    Starter control: shut-off conditions 1-Direct start function: not active
                    Starter control: shut-off conditions 1-Engag. duration defrost.: not active
                    Starter control: shut-off conditions 1: 512

Readiness: N/A

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 7E0-907-37x-MK100ESC.clb
   Part No SW: 7E0 907 379 P    HW: 7E0 907 379 M
   Component: ESC           H06 0133 
   Revision: 00000000    Serial number: 60218000000985
   Coding: 307E40986564847E0C7D027FA68821D379F100
   Shop #: WSC 02762 790 50316
   ASAM Dataset: EV_Brake1ESCCONTIVN75XGP2 011001
   ROD: EV_Brake1ESCCONTIVN75XGP2_011.rod
   VCID: 3FDC9A42F7F94A52669-806A

4 Faults Found:
8208 - Databus
          U1123 00 [00001001] - Received Error Message
          [ACAN: MO1_Sta_Pedal signal failure value]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 66
                    Mileage: 61597 km
                    Date: 2024.09.16.
                    Time: 00:05:06

8216 - Databus
          U1123 00 [00001001] - Received Error Message
          [ACAN: MO3_FPGradient signal failure value]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 66
                    Mileage: 61597 km
                    Date: 2024.09.16.
                    Time: 00:05:06

8217 - Databus
          U1123 00 [00001001] - Received Error Message
          [ACAN: MO3_Pedalwert signal failure value]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 66
                    Mileage: 61597 km
                    Date: 2024.09.16.
                    Time: 00:05:06

8338 - Databus
          U1123 00 [00001001] - Received Error Message
          [ACAN: MO1_Pedalwert]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 66
                    Mileage: 61597 km
                    Date: 2024.09.16.
                    Time: 00:05:06


-------------------------------------------------------------------------------
Address 04: Steering Angle (G085)       Labels:* 6R0-959-654.clb
   Part No SW: 6R0 959 654     HW: 6R0 959 654
   Component: LENKW.SENSOR  H07 0070 
   Serial number: 09011813470863
   Coding: 01
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_LWSKLOVW25X 005001
   ROD: EV_LWSKLOVW25X.rod
   VCID: 7EA22746B073835A2DF-802A

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J301)       Labels:| 7E5-907-047.clb
   Part No SW: 7E0 907 047 AC    HW: 7E0 907 047 AC
   Component: Climatic-T5   H22 0708 
   Revision: 00001002   
   Coding: 0000000003
   Shop #: WSC 02762 790 50316
   ASAM Dataset: EV_ClimaticT5 A01003
   ROD: EV_ClimaT5Basis_VN75.rod
   VCID: 6B841E12D30106F29A1-803E

1 Fault Found:
13701888 - Function Restriction due to Faults in Other Modules
          U1113 00 [00001000] - -
          [Motorsteuerger t - bitte Fehlerspeicher auslesen]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 6
                    Fault Frequency: 2
                    Reset counter: 106
                    Mileage: 61597 km
                    Date: 2024.08.12.
                    Time: 18:44:59


-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 7E0-937-BCM-V1.clb
   Part No SW: 7E0 937 090 C    HW: 7E0 937 090 C
   Component: BCM PQ25 Max4 H82 0752 
   Revision: B9082001    Serial number: 4000 341170636
   Coding: A0FE793A0A61341393288F606CEB8FF4C084738960CD79603304033F0860
   Shop #: WSC 02762 534 1593866
   VCID: 2B04DE121301C6F2DA1-807E

   Subsystem 1 - Part No: 5K7 955 559 C  Labels: 5K7-955-559.CLB
   Component: RLS 090118 04  47  0106
   Coding: 0228EE

   Subsystem 2 - Part No SW: 7E0 959 801 R    HW: 7E0 959 801 R  Labels: 7E0-959-80X-V2.CLB
   Component: J386__TSG_FT  005 0653
   Serial number: KU0KU011011880111514
   Coding: 1400B1

   Subsystem 3 - Part No SW: 7E0 959 802 Q    HW: 7E0 959 802 Q  Labels: 7E0-959-80X-V2.CLB
   Component: J387__TSG_BT  004 0653
   Serial number: KU0KU011011880110081
   Coding: 0400A1

   Subsystem 4 - Part No: 7E1 951 172
   Component: DWA-Sensor 00  001 0104
   Coding: 000000

   Subsystem 5 - Part No: 1K0 951 605 F
   Component: LIN BACKUP HO  H01 0008
   Coding: 000000

   Subsystem 6 - Part No: 7E1 951 172
   Component: DWA-Sensor 00  001 0104
   Coding: 000000

   Subsystem 7 - Part No SW: 7E0 959 442     HW: 7E0 959 442   Labels: 3C8-959-537.CLB
   Component: E221__MFL-DC1  H02 0103
   Serial number: 39170003030580067526
   Coding: B0FFFF

3 Faults Found:
02745 - Bulb for Daytime Running Light; Left
            010 - Open or Short to Plus
             Freeze Frame:
                    Fault Status: 01101010
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 66
                    Mileage: 61597 km
                    Time Indication: 0
                    Date: 2019.02.07.
                    Time: 00:00:15

03645 - Output Module for LED Headlamps; Left
            012 - Electrical Fault in Circuit
             Freeze Frame:
                    Fault Status: 01101100
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 66
                    Mileage: 61597 km
                    Time Indication: 0
                    Date: 2019.02.07.
                    Time: 00:03:11

04194 - Vehicle Status with Under-Voltage
            002 - Lower Limit Exceeded
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 66
                    Mileage: 61597 km
                    Time Indication: 0
                    Date: 2019.02.07.
                    Time: 00:00:15


-------------------------------------------------------------------------------
Address 0D: Slide Door, Left        Labels: Redir Fail!
   Part No: 7E0 959 243 D
   Component: Schiebetuer-SG  407 0328 
   Shop #: WSC 02762 790 00000
   VCID: 303EC97E3627A52AEF3-8064

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:| 7E0-919-475.clb
   Part No SW: 7E0 919 475 AA    HW: 7N0 919 475
   Component: PARKHILFE 8K  H06 0212 
   Revision: --------    Serial number: 28231733604466
   Coding: 30800C
   Shop #: WSC 02762 790 50316
   ASAM Dataset: EV_VW75XParkAssis8K 001012
   ROD: EV_VW75XParkAssis8K_001_VN75.rod
   VCID: 71B80C7AF12DEC22A0D-8024

No fault code found.

-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428)       Labels:| 7N0-907-572.clb
   Part No SW: 7N0 907 572 C    HW: 7E0 907 572
   Component: ACC Bosch PQx H03 0211 
   Serial number: 1301180442AFEA Dataset Number: 7E0114v____ 0009
   Coding: 00004000FE0779
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_ACCBEGVW361 001006
   ROD: EV_ACCBEGVW361.rod
   VCID: 3632FF66D8C38B1AB5F-8062

1 Fault Found:
1088 - Databus
          U1123 00 [00001001] - Received Error Message
          [FAULT_CIS_GP_FAIL]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 6
                    Fault Frequency: 11
                    Reset counter: 66
                    Mileage: 61597 km
                    Date: 2024.08.01.
                    Time: 02:21:58

                    Control Module temperature: 36  C
                    Voltage terminal 15: 12.0 V
                    Vehicle speed: 0.00 m/s
                    Acceleration: 0.00 m/s


-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
   Part No SW: 7E0 959 655 J    HW: 7E0 959 655 J
   Component: VW10Airbag021 010 0018 
   Revision: --------    Serial number: 003EK0003PM1 Dataset Number: 7E0003V____ 0905
   Coding: 000000000000000000000000000000003231
   Shop #: WSC 02734 790 50316
   ASAM Dataset: EV_AirbaVW10BPAVW12X 001028
   ROD: EV_AirbaVW10BPAVN750.rod
   VCID: 3D20E04AFDF55842745-8068

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
   Part No SW: 7E0 920 970 S    HW: 7E0 920 970 S
   Component: KOMBI         H03 1107 
   Serial number: 00000000000000
   Coding: 440F010300
   Shop #: WSC 02762 790 50316
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A05733
   ROD: EV_Kombi_UDS_VDD_RM09_005_VW25.rod
   VCID: 3A2AEB56ECDB6F7A517-806E

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 7E0-909-901.clb
   Part No SW: 7E0 909 901     HW: 7E0 937 090 C
   Component: GW-K-CAN TP20 H82 0752 
   Revision: B9082001   
   Coding: 042307
   Shop #: WSC 02762 534 1593866
   VCID: 688E611EC2772DEAF73-803C

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234
   Component: IMMO          H03 1107 
   Serial number:              
   Coding: 000000
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03710
   ROD: EV_Immo_UDS_VDD_RM09_VW23.rod
   VCID: 6A8A1B16DCFB1FFAE17-803E

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range (J431)       Labels:. 6R0-907-357.clb
   Part No SW: 6R0 907 357 C    HW: 6R0 907 357 B
   Component: AFS-ECU       005 0050 
   Revision: --------    Serial number: -------------- Dataset Number: V03600097E0 0001
   Coding: 0FCE020001000000
   Shop #: WSC 02748 790 50316
   ASAM Dataset: EV_HeadlRegulVWLWRCC 002006
   ROD: EV_HeadlRegulVWLWRCC.rod
   VCID: 3A2AEB56ECDB6F7A517-806E

1 Fault Found:
5276949 - Positioning Motor for Headlight Range Left
          C1085 15 [10001001] - Open or Short to Plus
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 66
                    Mileage: 61597 km
                    Date: 2024.09.16.
                    Time: 00:03:17


-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:| 5G0-035-MIB-STD2.clb
   Part No SW: 5C0 035 680 G    HW: 5C0 035 680 G
   Component: MU-S-ND-ER    H41 0468 
   Serial number: VWZAZ2U0569669 Dataset Number: V03935266VJ 0001
   Coding: 065700013C00000011111101008808001F0100D6002001004F
   Shop #: WSC 02762 790 50316
   ASAM Dataset: EV_MUStd4CTSAT 001022
   ROD: EV_MUStd4CTSAT_VW32.rod
   VCID: 2510282A7565F0820C5-8070

   Data carrier:
   Subsystem 1 - Part No SW: 3G0 919 866 BJ    HW: -----------
   Component: ECE1 2018  --- 0915
   Serial number: --------------------

No fault code found.

-------------------------------------------------------------------------------
Address 61: Battery Regul. (J840)       Labels:. 1K0-907-534.clb
   Part No SW: 7E0 907 534     HW: 7E0 937 090 C
   Component: Batt.regelung H82 0752 
   Serial number: 4000 341170636
   Coding: 030B1A73
   Shop #: WSC 02762 790 00000
   VCID: 688E611EC2772DEAF73-803C

   Subsystem 1 - Part No SW: 7E0 915 181 K    HW: 7E0 915 181 K
   Component: J367-BDMConti  H03 1050
   Serial number: 7588570000180108016B

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:. 1K0-907-383-V2.clb
   Part No SW: 1K0 907 383 G    HW: 1K0 907 383 G
   Component: Towbar module H10 0110 
   Revision: 3A001001    Serial number:   006789000000
   Coding: 0100000100000000
   Shop #: WSC 00000 000 00000
   VCID: 3138CC7A312DAC22E0D-8064

No fault code found.

-------------------------------------------------------------------------------
Address 78: Slide Door, Right        Labels: Redir Fail!
   Part No: 7E0 959 243 D
   Component: Schiebetuer-SG  407 0328 
   Shop #: WSC 00000 000 00000
   VCID: 303EC97E3627A52AEF3-8064

No fault code found.

End----------(Elapsed Time: 02:10, VBatt start/end: 12.2V/12.2V)-----------

 

[Skyelectrix]

31391 - Manifold / Barometric Pressure Sensor (G71) / (F96) - P0105 00 [035] - Malfunction
It's part of the combined mass air flow sensor right after air filter.

However, I believe the fault below is the one to start resolving the issues - because it's the circuit supplying reference voltage to various sensors thus I wouldn't be surprised if it would be contributing to all the faults. Including the ABS faults as they are referring to missing data from various sensors in/around the engine.

27202 - Sensor Reference Voltage A - P0641 00 [032] - Open Circuit


Congrats! I'm confident you won't regret

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Please start by sharing the following

(A) VCDS Auto-Scan​

How-to:​

IGNition ON​

VCDS > Auto-Scan > Auto-detect (CAN only) > Start........ Save​

The scan file (.TXT) will be in folder C:\Ross-Tech\VCDS\Logs\....​

​

(B) Engine's blockmap data - engine not running (ignition on)​

(C) Engine's blockmap data - engine ticking over​

How-to:​

VCDS > Applications > Controller Channel Map​

Tick/fill the boxes as below and click on Go​

​

View attachment 258080​

​

The blockmap (.CSV) files will be in folder C:\Ross-Tech\VCDS\Logs\...​

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The blockmap file contains almost 1500 measurement values/data items from the engine.
The first ones to check re the fault:
View attachment 258081

Using your guide i have retrieved the blockmaps. Many thanks

im gobsmacked at how much info is in there! totally amazing. if im working on my aircooled engines i pull a spark plug, get out the strobe and check the valve clearances!!

IDE07734,Air filter outlet: pressure sensor 1 bank 1: raw value,960, mbar
IDE07735,Air filter outlet: pressure sensor 1 bank 1: uncnd. voltage,4.999, V

im guessing the 4.99v is ok? and the pressure is good at nearly 1 bar..

shall i add the complete blockmaps here?

 

[mmi]

shall i add the complete blockmaps here?

Yes please

 

[Skyelectrix]

here we go!

 

[Skyelectrix]

im studying the wiring diagrams that I've downloaded from here atm trying to get my head round some of the common connections

 

[mmi]

IDE07734,Air filter outlet: pressure sensor 1 bank 1: raw value,960, mbar
IDE07735,Air filter outlet: pressure sensor 1 bank 1: uncnd. voltage,4.999, V

im guessing the 4.99v is ok? and the pressure is good at nearly 1 bar..

Well, the 4.999 Volts seen here is the mentioned reference voltage. Unfortunately here it means that there is likely a wiring issue because the voltage here should be "down modulated" by the sensor. Now the ECU sees "open circuit".

E.g. a couple of random samples from my logs to demonstrate what to expect - never the 5.000 Volts:

1015 mbar = 4.109 V​

1008 mbar = 4.075 V​

1004 mbar = 4.065 V​

996 mbar = 4.031 V​

981 mbar = 3.978 V, etc​

Anyways, the IDE07734 pressure value is a filtered value which doesn't immediately respond to voltage changes - as seen here, the reading doesn't correspond to 4.999 Volts. Probably the 960 mbar is value from memory before the fault - current air pressure in Pembrokeshire is 1029 mbar

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VCDS auto scan with ignition on.

Hmmm.... all the faults have a line indicating quite low voltage - about 10 Volts - which could have caused all kinds of consequences.

there now seems to be a third engine fault showing (16097 - Fuel Pressure Sensor (G247)

Hmmm.... short to plus, quite often means simply missing ground connection. Perhaps start with this one as fuel pressure 2366 bars is plain wrong reading. Would be close to 0 bar when engine is stopped.

Have you tried to clear the faults and see what remains?

 

[Skyelectrix]

fuel pressure sensor fault has now cleared. im guessing that could be due to the engine running while getting the block data

 

[Skyelectrix]

current air pressure in Pembrokeshire is 1029 mbar

and the sun is out!!!!

 

[Skyelectrix]

a subsequent scan seems to have near normal voltage values. I will check the block data again now.

Address 01: Engine (2D2D2-CXEB)       Labels:. 04L-907-309-V2.clb
   Part No SW: 04L 906 056 LA    HW: 04L 907 445 A
   Component: R4 2.0l BTD   H03 3773 
   Revision: 23101001   
   Coding: 00194014432401080000
   Shop #: WSC 02762 790 50316
   ASAM Dataset: EV_ECM20BTD03004L906056LA 004004
   ROD: EV_ECM20BTD03004L906056KS_004.rod
   VCID: 77AC32629F49B2126E9-8022
   VINID: 9E606AAAA1D8A9A601080209181107410E

2 Faults Found:
31391 - Manifold / Barometric Pressure Sensor (G71) / (F96)
          P0105 00 [00100011] - Malfunction
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 61597 km
                    Date: 2075.01.03
                    Time: 00:21:53

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 24  C
                    Intake air temperature: 23  C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 12.437 V
                    Unlearning counter according OBD: 40
                    Air mass at air mass meter 1: 0.0 kg/h
                    Standardized air flow ratio: 1.000 counts
                    Exhaust recirc.valve 1 bank 1: posit.feedback - Actual value: -155.07 %
                    Throttl.valve adapt. 1 bank 1: posit feedback - Actual value: 100.00 %
                    Charge air pressure: specified value: 0.000 bar
                    Absolute intake pressure: 37 kPa abs
                    Mean injection quantity: 0 mg/stroke
                    Index of current engine mode: 0
                    Index of next requested engine mode: 10
                    Index of engine target mode: 10

27202 - Sensor Reference Voltage A
          P0641 00 [10100011] - Open Circuit
          MIL ON - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 61597 km
                    Date: 2075.01.03
                    Time: 00:21:53

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 24  C
                    Intake air temperature: 23  C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 12.234 V
                    Unlearning counter according OBD: 40
                    Engine status: Stop
                    Engine running time-Pressure BIN10 bar: 0 s
                    Control Module temperature: 23.5  C
                    ESM_Battery_voltage-Voltage: 12.23 V
                    Low battery mode active-Bool type: No
                    ESM_Vext_raw-ESM_sensor_voltage: 3.2891 V
                    Starter control: terminal 50 feedback-Terminal 50 on CAN: not active
                    Starter control: terminal 50 feedback-Terminal 50 CAN valid: active
                    Starter control: terminal 50 feedback-Terminal 50 via cable: not active
                    Starter control: terminal 50 feedback-Starter relay: not active
                    Starter control: terminal 50 feedback-Starter operation read back wire T50Ret: not active
                    Starter control: terminal 50 feedback: 8
                    Starter control: shut-off conditions 1-Immobilizer: not active
                    Starter control: shut-off conditions 1-Starter shift malfunction: not active
                    Starter control: shut-off conditions 1-Speed: not active
                    Starter control: shut-off conditions 1-Drivetrain: not active
                    Starter control: shut-off conditions 1-Speed: not active
                    Starter control: shut-off conditions 1-RPM aborted starts: active
                    Starter control: shut-off conditions 1-Engag. duration: not active
                    Starter control: shut-off conditions 1-Engag. duration aborted starts: not active
                    Starter control: shut-off conditions 1-Engag. duration panic start: not active
                    Starter control: shut-off conditions 1-new errors: not active
                    Starter control: shut-off conditions 1-manual start/error: not active
                    Starter control: shut-off conditions 1-ignition: not active
                    Starter control: shut-off conditions 1-Clutch error/terminal 50 malfunction: not active
                    Starter control: shut-off conditions 1-Direct start function: not active
                    Starter control: shut-off conditions 1-Engag. duration defrost.: not active
                    Starter control: shut-off conditions 1: 512

Readiness: N/A

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 7E0-907-37x-MK100ESC.clb
   Part No SW: 7E0 907 379 P    HW: 7E0 907 379 M
   Component: ESC           H06 0133 
   Revision: 00000000    Serial number: 60218000000985
   Coding: 307E40986564847E0C7D027FA68821D379F100
   Shop #: WSC 02762 790 50316
   ASAM Dataset: EV_Brake1ESCCONTIVN75XGP2 011001
   ROD: EV_Brake1ESCCONTIVN75XGP2_011.rod
   VCID: 3FDC9A42F7F94A52669-806A

4 Faults Found:
8208 - Databus
          U1123 00 [00001001] - Received Error Message
          [ACAN: MO1_Sta_Pedal signal failure value]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 3
                    Reset counter: 66
                    Mileage: 61597 km
                    Date: 2024.09.16.
                    Time: 00:05:06

8216 - Databus
          U1123 00 [00001001] - Received Error Message
          [ACAN: MO3_FPGradient signal failure value]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 3
                    Reset counter: 66
                    Mileage: 61597 km
                    Date: 2024.09.16.
                    Time: 00:05:06

8217 - Databus
          U1123 00 [00001001] - Received Error Message
          [ACAN: MO3_Pedalwert signal failure value]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 3
                    Reset counter: 66
                    Mileage: 61597 km
                    Date: 2024.09.16.
                    Time: 00:05:06

8338 - Databus
          U1123 00 [00001001] - Received Error Message
          [ACAN: MO1_Pedalwert]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 3
                    Reset counter: 66
                    Mileage: 61597 km
                    Date: 2024.09.16.
                    Time: 00:05:06


-------------------------------------------------------------------------------
Address 04: Steering Angle (G085)       Labels:* 6R0-959-654.clb

 

[mmi]

fuel pressure sensor fault has now cleared. im guessing that could be due to the engine running while getting the block data

Yes, the fuel pressure is now correct in the blockmap.
But the IDE07735 (Air filter outlet: pressure sensor) still reads out plain 4.999 Volts in both blockmaps so a disconnect there.

I don't believe getting the blockmap data interferes the engine - as I'm collecting data full time from engine and never seen any faults initiated by data collection.

 

[Westcoast888]

My wifi has dropped out in the garage! Bloody typical! Have to run back and forth to the house to get online. Please bear with me.

 

[Westcoast888]

Yes, the fuel pressure is now correct in the blockmap.
But the IDE07735 (Air filter outlet: pressure sensor) still reads out plain 4.999 Volts in both blockmaps so a disconnect there.

I don't believe getting the blockmap data interferes the engine - as I'm collecting data full time from engine and never seen any faults initiated by data collection.

Nice one thanks. I’m checking out the wiring to the G71 as we speak. Also trying to find engine connection no19. As well as the ‘engine prewiring earth points’ 486 & 487

 

[mmi]

Based on the blockmap data we actually might have more issues - interestingly not manifested themselves as fault codes - yet.

1) Wiring problem by barometric pressure sensor (G71)​

because we get this
IDE07735 Air filter outlet: pressure sensor 1 bank 1: uncnd. voltage 4.999 V
Some related experiments and explanations here

Fault code P011100

Can anyone shed any light please on this error code P011100 Air intake temperature sensor1? (2017 2.0 CXGB) I have reset the management light and it stays off for 3-5 days then its back on again. When the eml is on it still drives absolutely fine with no noticeable difference at all. I have...

www.t6forum.com

Then the next in the queue...​

2) Wiring problem by Exhaust temperature sensor 1 - before turbo charger​

Plain wrong - reads out at max negative which suggests open circuit

Interestingly this didn't manifest itself yet but will probably interfere/inhibit DPF regeneration - which has been already initiated.

3) Possibly clogged manifold pressure sensor (G31)​

Captured in fault code freeze frame


In blockmap data

Should be close to ambient pressure - especially when engine off.

More details

Fault code 30251 & 27202 [Resolved]

Hi, I'm having an issue with my van, the EML is on and glow plug light is flashing and i have 2 faults. I removed the boost pressure sensor and it was clogged with soot, I cleaned it but that didn't have any effect so I have one coming on tuesday, but the 2nd fault with the "open circuit message...

www.t6forum.com

---

I've started to wonder if the fault "Sensor reference voltage" is actually a consequence of the open circuits...

 

[Westcoast888]

Based on the blockmap data we actually might have more issues - interestingly not manifested themselves as fault codes - yet.

1) Wiring problem by barometric pressure sensor (G71)​

because we get this
IDE07735 Air filter outlet: pressure sensor 1 bank 1: uncnd. voltage 4.999 V
Some related experiments and explanations here

Fault code P011100

Can anyone shed any light please on this error code P011100 Air intake temperature sensor1? (2017 2.0 CXGB) I have reset the management light and it stays off for 3-5 days then its back on again. When the eml is on it still drives absolutely fine with no noticeable difference at all. I have...

www.t6forum.com

Then the next in the queue...​

2) Wiring problem by Exhaust temperature sensor 1 - before turbo charger​

View attachment 259425
Plain wrong - reads out at max negative which suggests open circuit

Interestingly this didn't manifest itself yet but will probably interfere/inhibit DPF regeneration - which has been already initiated.
View attachment 259426

3) Possibly clogged manifold pressure sensor (G31)​

Captured in fault code freeze frame
View attachment 259421

In blockmap data
View attachment 259422
Should be close to ambient pressure - especially when engine off.

More details

Fault code 30251 & 27202 [Resolved]

Hi, I'm having an issue with my van, the EML is on and glow plug light is flashing and i have 2 faults. I removed the boost pressure sensor and it was clogged with soot, I cleaned it but that didn't have any effect so I have one coming on tuesday, but the 2nd fault with the "open circuit message...

www.t6forum.com

---

I've started to wonder if the fault "Sensor reference voltage" is actually a consequence of the open circuits...

Awesome! Many thanks for your continued help. I’ll get back on the case tomorrow and report back.