Resolved Steering angle unable to calibrate (2020 Polo TRW_G4L_MQBA0)

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   #1  

vagcars69

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Hi I'm struggling to calibrate the steering angle sensor. Tried vcds with no resutls. Tried odis but unable to complete the procedure. It seems that angle is at some daft figuer 3565 degrees. Doesn't change when rotate steering wheel. Alrady replaced squib with steering anble still the same;

Code:
Monday,16,September,2024,16:18:40:45700
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 24.7.0.0 (x64)  HEX-V2 CB: 0.4643.4
Data version: 20240715 DS356.3
www.Ross-Tech.com


VIN: WVWZZZAWZLU******   License Plate: POL
Mileage: 14791km-9190mi   Repair Order: 



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


Chassis Type: AW-VW27 (2Q0)
Scan: 01 03 08 09 10 13 15 17 19 44 5F

VIN: WVWZZZAWZLU******   Mileage: 14791km-9190miles

01-Engine -- Status: OK 0000
03-ABS Brakes -- Status: Malfunction 0010
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: OK 0000
10-Park/Steer Assist -- Status: Malfunction 0010
13-Auto Dist. Reg -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
44-Steering Assist -- Status: Malfunction 0010
5F-Information Electr. -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-DSGB)       Labels: None
   Part No SW: 05C 906 034 H    HW: 05C 907 445 B
   Component: R3 1.0l MPI   H01 9943  
   Revision: GVMuDSer    CVN: 47CF4932
   Coding: 011100740204050800000000000000000000000000000000
   Shop #: WSC 31414 790 00200
   ASAM Dataset: EV_ECM10MPI04205C906034H 005006
   ROD: EV_ECM10MPI04205C906034H.rod
   VCID: 2615F2D9D86C257A05F-8072
   VINID: 9E69EAAAA467A9C94024924818C83AADA2

No fault code found.
Readiness: 1110 0001

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 2Q0-614-517.clb
   Part No SW: 2Q0 614 517 AP    HW: 2Q0 614 517 N
   Component: ESC_base_vFGS H23 0262  
   Serial number: 08515175200220
   Coding: 09034A64154A90B65205A81E24E042A649124506114A245844541254452442659248A2608852241A222A482AA251D64B3F8A6BD2FC242424242424
   Shop #: WSC 31414 790 00200
   ASAM Dataset: EV_Brake1BOSCHESPMQBA0 005001
   ROD: EV_Brake1BOSCHESPMQBA0_005_VW27.rod
   VCID: 7CA1F0B176604FAA03B-8028

1 Fault Found:
1360 - Implausible Data Received from Steering Angle Sensor Module (G85) 
          U0428 00 [10001001] - -
          [LWI_SensorNotCalibrated]
          MIL ON - Confirmed - Tested Since Memory Clear

-------------------------------------------------------------------------------
Address 08: Auto HVAC (E87)       Labels:* Redir Fail!
   Part No SW: 2G2 820 045 K    HW: 2G2 820 045 K
   Component: SG_AC_Manuell H60 0505  
   Serial number: 00000000000000
   Coding: 012100000800010011000400020000000010000000000000000000000000
   Shop #: WSC 31414 790 00200
   ASAM Dataset: EV_ACManuePrehMQBA0 001013
   ROD: EV_ACManuePrehMQBA0.rod
   VCID: 290FF9E5C9720A0228D-807C

1 Fault Found:
262914 - Refrigerant Pressure 
          B10AB F0 [00001001] - Too Low
          Confirmed - Tested Since Memory Clear

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 5Q0-937-08X-V2.clb
   Part No SW: 2Q0 937 089 B    HW: 2Q0 937 089 
   Component: BCM A0 Std    H10 0936  
   Serial number: 01102006401002 Dataset Number: V03935311UH 0001
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_BCMA0 205001
   ROD: EV_BCMA0_205_VW27.rod
   VCID: 392F29A539D2BA8258D-806C

   Driver door control module: 
   Subsystem 1 - Part No SW: 2Q2 959 405     HW: 2Q2 959 163 
   Component: FHSG_DRV  002 0005 
   Serial number: 00000000000039548615
   Coding: 1F0000

   Front passenger door control module: 
   Subsystem 2 - Part No SW: 2Q2 959 406     HW: 2Q2 959 164 
   Component: FHSG_PSG  002 0005 
   Serial number: 00000000000038644065
   Coding: 050000

   Anti-theft alarm system sensor: 
   Subsystem 3 - Part No SW: 5Q0 951 172     HW: 5Q0 951 172 
   Component: Sensor, DWA  005 0316 
   Serial number: 000000000ZY200400085

   Alarm horn: 
   Subsystem 4 - Part No SW: 5Q0 951 605 A    HW: 5Q0 951 605 A
   Component: Sirene, DWA  005 0314 
   Serial number: 00000000000032465020

   Rear Driver Side Door Control Module: 
   Subsystem 5 - Part No SW: 5Q0 959 408     HW: 5Q0 959 164 
   Component: FOND_FHSG_DRV  007 0010 
   Serial number: 00000000000039394983
   Coding: 1F0000

   Rear Passenger Door Control Module: 
   Subsystem 6 - Part No SW: 5Q0 959 407     HW: 5Q0 959 163 
   Component: FOND_FHSG_PSG  007 0010 
   Serial number: 00000000000039603599
   Coding: 070000

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:| 5Q0-919-294.clb
   Part No SW: 5QA 919 294 G    HW: 5QA 919 294 
   Component: PDC 8 Kanal   H08 0061  
   Serial number: 000150058320049 Dataset Number: V03935292EG 0001
   Coding: 0471051001
   Shop #: WSC 31414 790 00200
   ASAM Dataset: EV_EPHVA18AU3700000 009046
   ROD: EV_EPHVA18AU3700000_009_VW27.rod
   VCID: 50F974018A681BCA8F3-8004

2 Faults Found:
1113875 - Parking Aid Indicator Lamp 
          B10FF 13 [00001001] - Open Circuit
          Confirmed - Tested Since Memory Clear
13637426 - Databus 
          U1123 00 [00001001] - Received Error Message
          [ESP - ESP_21.ESP_Systemstatus - Fehlerspeicher auslesen]
          Confirmed - Tested Since Memory Clear

-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428)       Labels:| 2Q0-907-572.clb
   Part No SW: 2Q0 907 572 R    HW: 2Q0 907 572 B
   Component: ACCCONTIMQB   H03 0372  
   Dataset Number: V03935303X  0001
   Coding: 2A04600200FF8748949C810500408700000000000000000004
   Shop #: WSC 131071 1023 2097151
   ASAM Dataset: EV_ACCMRRCONTIVW376 003016
   ROD: EV_ACCMRRCONTIVW376_003_VW27.rod
   VCID: 43D34B4D4B1EF052021-8016

2 Faults Found:
2101 - Databus 
          U1123 00 [00001001] - Received Error Message
          [FAULT_ESP_STATUS_SYSTEM]
          Confirmed - Tested Since Memory Clear
2055 - Databus 
          U1122 00 [00001001] - Implausible Message
          [FAULT_ALP_STEERINGWHEEL_INIT]
          Confirmed - Tested Since Memory Clear

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5Q0-959-655.clb
   Part No SW: 2Q0 959 655 AJ    HW: 2Q0 959 655 AJ
   Component: VW22Airbag    016 0250  
   Revision: --------    Dataset Number: V03935308BD 0001
   Coding: 88CCC0C0000000005C5400CF008800000065
   Shop #: WSC 31414 790 00200
   ASAM Dataset: EV_AirbaVW22BPAVW27X 001014
   ROD: EV_AirbaVW22BPAVW27X_VW27.rod
   VCID: 0557955505AA0E626C5-8050

   Crash sensor for side airbag: driver side: 
   Subsystem 1 - Part No SW: -----------    HW: 442 060 702 20
   Component: SideSensor_Df  1E2 0887 
   Serial number: 3577Y50AD33C68B2A26I
   Coding: 2D2D2D

   Front Passenger's Side Airbag Crash Sensor: 
   Subsystem 2 - Part No SW: -----------    HW: 442 060 702 20
   Component: SideSensor_Pf  1E2 0887 
   Serial number: 3587Y509F341D0E2A16B
   Coding: 2D2D2D

   Rear Side Airbag Crash Sensor (on driver's side): 
   Subsystem 3 - Part No SW: -----------    HW: 442 0B2 502 20
   Component: SideSensor_Dr  1C7 0148 
   Serial number: 3517782A3361D0626333
   Coding: 2D2D2D

   Passenger side rear thorax airbag crash sensor: 
   Subsystem 4 - Part No SW: -----------    HW: 442 0B2 502 20
   Component: SideSensor_Pr  1C7 0148 
   Serial number: 3527782B7361D0613199
   Coding: 2D2D2D

   Crash sensor for front airbag: driver side: 
   Subsystem 5 - Part No SW: -----------    HW: 442 132 204 20
   Component: FrontSensor_D  290 118A 
   Serial number: 355AG11C93156665127I
   Coding: 2D2D2D

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5G0-920-XXX-17.clb-SRI3
   Part No SW: 2G0 920 940 C    HW: 2G0 920 940 C
   Component: KOMBI         203 6751  
   Coding: 24A4010021802600018822011001000000000000
   Shop #: WSC 31414 790 00200
   ASAM Dataset: EV_DashBoardVDDMQBA0 001040
   ROD: EV_DashBoardVDDMQBA0_001_VW27.rod
   VCID: 2411E8D1AE50D76A1BB-8070

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:* Redir Fail!
   Part No SW: 2Q0 909 901 C    HW: 2Q0 937 089 
   Component: GW MQB A0     H10 0936  
   Serial number: 01102006401002 Dataset Number: V03935301GQ 0001
   Coding: 030100046F08640022000048080F00010001070000000000000000000000
   Shop #: WSC 31414 790 00200
   GVL: 01443C0000000000400080000000480000000000000000000000000000000000
   ASAM Dataset: EV_GatewA0 013026
   ROD: EV_GatewA0_VW27.rod
   VCID: 323D1E89E4A449DA997-8066

   Generator: 
   Component: 2-00-14-00-04  

   Multifunction steering wheel control module: 
   Subsystem 2 - Part No SW: 2G0 959 442 K    HW: 2G0 959 442 K
   Component: E221__MFL-MD9  H03 0052 
   Serial number: 39200000278590070072
   Coding: 24FFFF

   Battery Monitoring Control Module: 
   Subsystem 3 - Part No SW: 2Q0 915 181 B    HW: 2Q0 915 181 B
   Component: J367-BDMBOSCH  H02 2012 
   Serial number: 1009C4D3            

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J792)       Labels:| 2Qx-909-144-V1.clb
   Part No SW: 2Q2 909 144 M    HW: 2Q2 909 144 F
   Component: TRW_G4L_MQBA0 621 6041  
   Serial number: 01821431CB4L062 Dataset Number: V03935316ZA 0001
   Coding: 010000000000000001010201010001000000010101
   ASAM Dataset: EV_SteerAssisTRWG4LMQBA0 011016
   ROD: EV_SteerAssisTRWG4LMQBA0.rod
   VCID: 3D273DB52DFA86A2745-8068

1 Fault Found:
10531840 - Steering angle sensor 
          B1168 54 [10001001] - Missing Calibration / Basic Setting
          MIL ON - Confirmed - Tested Since Memory Clear

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:| 5G0-035-MIB-STD2.clb
   Part No SW: 3Q0 035 842 C    HW: 3Q0 035 842 C
   Component: MU-S-D-ER     725 0876  
   Serial number:                Dataset Number: V03935311FY 0001
   Coding: 02720000BE00000041110101008808001F0500C60120010003
   Shop #: WSC 31414 790 00200
   ASAM Dataset: EV_MUStd4CDELP 001001
   ROD: EV_MUStd4CDELP_VW27.rod
   VCID: 2D070DF5FD9A1622C45-8078

   Display and control head 1 for information electronics: 
   Subsystem 1 - Part No SW: 5G6 919 605 A    HW: 5G6 919 605 A
   Component: ABT_Std-2  H61 8214 
   Serial number: VWZ6ZJX0792605      

No fault code found.

End------(Elapsed Time: 00:54, VBatt start/end: 12.5V/12.4V, udsna)--------
 
   #2  

Dana

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We aren't familiar with cars that have this 03-ABS and 44-Steering assist type but I believe G85 is inside the steering rack on this model. I would check this Advanced Measuring Value in address 44-Steering Assist:

[*IDE04448*] Steering angle sensor: angle

If you can get it to read close to 0.00° try using Security Access code 19249 followed by Basic Settings: [*MAS00815*] Steering angle sensor

If the live reading isn't close to 0.00° please let us know what happened to cause the G85 issues.
 
   #3  

Jef

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3565 degrees..... so only 9 turns out of whack? :eek:

Is there some back story on this? How did we get here.
 
   #4  

vagcars69

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Car had airbags deployed so on these power steering goes into crash shutdown. You need to restore to factory settings then do online coding / parametrization and then steering angle basic settings but for some reason it doesn't allow to complete basic settings.
 
   #5  

Boki Ar

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Removing the minus terminal from the battery, wait 30 minutes and put it back. Has it been tried?
 
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EuroX

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Car had airbags deployed so on these power steering goes into crash shutdown. You need to restore to factory settings then do online coding / parametrization and then steering angle basic settings but for some reason it doesn't allow to complete basic settings.
Did the suspension and or wheel take a hit?
 
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vagcars69

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Removing the minus terminal from the battery, wait 30 minutes and put it back. Has it been tried
Made no difference
3565 degrees..... so only 9 turns out of whack? :eek:

Is there some back story on this? How did we get here.


Quick log of 2 values in address 44 shows discrepancy. That was done with a slight rotation to left right - values all over the shop - obviously not calibrated. However second value stays same.
First value is position of the motor. Where would the second sensor be? Steering rack is just a basic mechanical rack with no electrical components.

TIMELoc. IDE03682-MAS02961TIMELoc. IDE04448
STAMPmotor position sensor-Engine angleSTAMPSteering angle sensor: angle
°°
0.2​
156​
0.09​
5953.5​
0.44​
156​
0.33​
5953.5​
0.68​
190​
0.56​
5953.5​
0.92​
314​
0.8​
5953.5​
1.16​
46​
1.04​
5953.5​
1.4​
30​
1.28​
5953.5​
1.62​
194​
1.52​
5953.5​
1.84​
62​
1.74​
5953.5​
2.07​
291​
1.96​
5953.5​
2.3​
261​
2.18​
5953.5​
2.52​
32​
2.4​
5953.5​
2.76​
201​
2.64​
5953.5​
3​
345​
2.88​
5953.5​
3.24​
97​
3.12​
5953.5​
3.48​
136​
3.36​
5953.5​
 
   #8  

Dana

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Steering rack is just a basic mechanical rack with no electrical components.
Ahh, that makes more sense. This started to sound like the RoW market setup where they combine a conventional hydraulic steering rack with an electro-mechanical motor on the steering column.

Since the VIN was modified I had to work for it ... but this is the VIN specific PL24 page for that #44 unit:


Normally the steering angle sensor is in the electro-mechanical steering rack -or- the clock spring so this isn't something I have firsthand experience with but if the wheels took a hit, and transferred that shock through the steering rack and column, it may be damaged. You can certainly dig through the component locators, wiring diagrams and similar but I think the easiest sanity check is to code G85 out of address 44 entirely.

Use SA code 19249 followed by coding from:

010000000000000001010201010001000000010101

To:

010000000001000001010201010001000000010101

.. and cycle the ignition. Then, check IDE04448 to see if the data is stuck on 0 or reports NA.

Either way, I think that would easily allow you to confirm the sketchy G85 data was produced directly by that controller. Just make sure to code it back to the correct value to make configuring the replacement (assuming it is faulty) easier.
 
   #9  

vagcars69

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Tried to code it out. It makes no difference, still reporting constant angle at 5953.5.
Is it safe to assume column/motor faulty and swap? It is of course possible it was damaged in a collision.
 
   #10  

Dana

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OK. It sounds like damage occurred but I don't know if replacing the module only is the fix since we aren't directly familiar with how that sensor system works. If the module references something mechanical on the column, or there was damage in-between the column and motor, it may be best to replace the entire thing. Hopefully someone with access to this system in their market and hands-on experience can chime in.

Next, although it sounds like all diagnostic hope is lost and parts are needed... while scrolling through the list of Basic Settings this one caught my attention:

[*IDE05745*] Steering angle sensor: move to mechanical center

If someone had removed the shaft between the steering rack and column, let the column turn roughly 16 times (which sounds crazy but that's the math on 5953 and 360°) and then reconnected it there's a part of me that thinks that BS would be interesting to run.

In conclusion, I don't think you have anything to lose by testing some of the undocumented basic settings groups.
 
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   #11  

vagcars69

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OK. It sounds like damage occurred but I don't know if replacing the module only is the fix since we aren't directly familiar with how that sensor system works. If the module references something mechanical on the column, or there was damage in-between the column and motor, it may be best to replace the entire thing. Hopefully someone with access to this system in their market and hands-on experience can chime in.

Next, although it sounds like all diagnostic hope is lost and parts are needed... while scrolling through the list of Basic Settings this one caught my attention:

[*IDE05745*] Steering angle sensor: move to mechanical center

If someone had removed the shaft between the steering rack and column, let the column turn roughly 16 times (which sounds crazy but that's the math on 5953 and 360°) and then reconnected it there's a part of me that thinks that BS would be interesting to run.

In conclusion, I don't think you have anything to lose by testing some of the undocumented basic settings groups.

I'm sure I tried that with no result but will give it another try.
It certainly looks like a mechanical fault so best to change the whole column. But then again I'm thinking to swap the column with motor and leave original module that has already been adapted with odis?
 
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Dana

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Since they are sold separately (meaning you can purchase just the module) that's probably the best thing to try first.
 
   #13  

vagcars69

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Just attempted at plugin (without installing) another steering column (although donor was also accident damaged) but the 5953.5 value still won't change

[*IDE05745*] Steering angle sensor: move to mechanical center
This comes with an error request out of range
 
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Dana

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Interesting. Was that an entire used column with the #44 control module bolted to it?
 
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vagcars69

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Yes column and a module together
 
   #17  

vagcars69

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I've seen this before, this 5935.5 value is just a value it shows when it's out of calibration.
However it will not allow to calibrate?
 
   #18  

Boki Ar

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After factory reset, the module at [Address 44: Steering Assist], should go to

[03-ABS] and Login 40168. [Do it!].

Next step: 04 - Basic settings
select the item in the menu: IDE05146-ENG114972 - basic settings - ESP unit

activate the default settings and wait 10 s. Expected result completed successfully.

I understand that the engine is on, the wheels are straight, as is the steering wheel.
 
   #19  

vagcars69

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After factory reset, the module at [Address 44: Steering Assist], should go to

[03-ABS] and Login 40168. [Do it!].

Next step: 04 - Basic settings
select the item in the menu: IDE05146-ENG114972 - basic settings - ESP unit

activate the default settings and wait 10 s. Expected result completed successfully.

I understand that the engine is on, the wheels are straight, as is the steering wheel.
I am extremely pleased to say that after this procedure it allowed me to complete calibration and all the lights have gone off. Many thanks.
 
   #20  

Boki Ar

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Thanks for the feedback.

Post a new Auto Scan, without errors and we can mark the case as solved. :cool:
 
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