2013, Audi A3 - ACC: unavailable

   #1  

deej

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Hi Guys, New here but have been stalking for some years ... what a great tool ! A good enough reason not stray from VAG I would say :) This is not your everyday fault and so am hoping someone out there can throw some light...

The issue here is that I have an adaptive cruise problem and showing the 'ACC: unavailable' message. I have done the common sense stuff such as cleaning the sensor lens surface and removing/reconnecting the plug with some wishful thinking switch cleaner. The cable and harness around all look in great condition. I use the function on a daily basis and know that one day it was working and the next day woke up and it was not - no knocks or possibility of accidental damage - The sensor is all secure and mounted solid.
Getting connected - [13] Distance control module reports as below. With ignition on, engine not running the faults clear. As soon as the engine is running the faults appear.
Now I have got a used replacement sensor with identical part number but from a 2013 Golf which I recoded - 00200301FE0309 as per the Audi one here. But realised it's a bumper off job to fit it so want to cover the bases as far as possible before getting int that. Also a component protection fault appeared as a new fault after coding the replacement. I wasn't sure what to expect with it not being installed in the correct position and not being driven a short way to clear any other faults? Any adaptation required? It would be great to get a steer with this.
I should also point out that the 'Unknown Error Elaboration error' was not showing before I showed the car the replacement sensor -

Code:
Tuesday,26,May,2020,19:50:44:40478
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 20.4.1.0 (x64)
Data version: 20200331 DS317.0
www.Ross-Tech.com


VIN: WAUZZZ8VXDA014468   License Plate: 


Chassis Type: 8V-AU37 (5Q0)
Scan: 01 03 08 09 10 13 15 16 17 19 42 44 52 5F

VIN: WAUZZZ8VXDA014468   Mileage: 198098km-123092miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: OK 0000
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: Malfunction 0010
10-Park/Steer Assist -- Status: OK 0000
13-Auto Dist. Reg -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine (J623-CRBC)       Labels:. 04L-907-309-V1.clb
   Part No SW: 04L 906 021 DS    HW: 04L 907 309 D
   Component: R4 2,0L EDC   H21 4941  
   Revision: 83H21---    
   Coding: 02190012034501082000
   Shop #: WSC 64020 000 1048576
   ASAM Dataset: EV_ECM20TDI01104L906021DS 002008
   ROD: EV_ECM20TDI01104L906021DS_002.rod
   VCID: 79F21639F8474C4E4C-802C

1 Fault Found:
17156 - Databus 
          U1123 00 [044] - Received Error Message
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 9
                    Mileage: 198010 km
                    Date: 2020.05.25
                    Time: 13:20:53

                    Engine speed: 771.50 /min
                    Normed load value: 25.1 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 51 °C
                    Intake air temperature: 42 °C
                    Ambient air pressure: 1030 mbar
                    Voltage terminal 30: 14.580 V
                    Unlearning counter according OBD: 40
                    Drivetrain coordinator: ACC fault status-Bits 0-7: 0
                    Drivetrain coordinator: ACC fault status-Bits 0-7: 0
                    Drivetrain coordinator: brake fault status-Bits 0-7: 0
                    Drivetrain coordinator: brake function status-Bits 0-7: 0
                    Drivetrain coordinator: brake function status-Bits 0-7: 4
                    Acceleration: 0.000 m/s²

Readiness: 0 0 0 0 0 

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 5Q0-907-379-IPB-V1.clb
   Part No SW: 5Q0 907 379 AC    HW: 5Q0 907 379 D
   Component: ESC           H75 0437  
   Revision: 00000000    Serial number:               
   Coding: 10F18AA220210A70017B060601CB290851045080608094F2F479503485
   Shop #: WSC 64020 000 1048576
   ASAM Dataset: EV_Brake1UDSContiMK100IPB 008020
   ROD: EV_Brake1UDSContiMK100IPB_008.rod
   VCID: 7DFA0229EC6F706E60-8028

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (E87)       Labels:| 8V0-820-043.clb
   Part No SW: 8V0 820 043 A    HW: 8V0 820 043 A
   Component: AC Automat    H11 0031  
   Revision: 20018000    Serial number: 00000000018610
   Coding: 00100104002000011000000000001100
   Shop #: WSC 06314 790 00021
   ASAM Dataset: EV_AirCondiFrontVaAU37X 008016
   ROD: EV_AirCondiFrontVaAU37X.rod
   VCID: 3064EB1D6BBD4D06BB-8064

   Relative humidity sensor in fresh air intake duct: 
   Subsystem 1 - Part No SW: 4H0 907 658     HW: 4H0 907 658 
   Component: AQ_Hum_Sensor  H03 0003 
   Serial number: 27580F46000000000001

1 Fault Found:
459526 - Databus 
          U1123 00 [009] - Received Error Message
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 10
                    Reset counter: 115
                    Mileage: 198010 km
                    Date: 2020.05.25
                    Time: 13:16:01


-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:| 5Q0-937-08X-MV1.clb
   Part No SW: 5Q0 937 084 AH    HW: 5Q0 937 084 P
   Component: BCM MQBAB M+  H14 0137  
   Serial number: 00011226400237
   Coding: 07040846C20102FD03044004B31407A80000000000000000000000000000
   Shop #: WSC 40475 002 1048576
   ASAM Dataset: EV_BCMCONTI 013000
   ROD: EV_BCMBOSCH_013.rod
   VCID: 7EF80525E1696B7679-802A

   Control Unit For Wiper Motor: 
   Subsystem 1 - Part No SW: 8V2 955 119 A    HW: 8V2 955 119   Labels: 5QX-955-119-V1.CLB
   Component: WWS370 120620  041 0580 
   Serial number:         120808050532
   Coding: 0A47F7

   Rain Light Recognition Sensor: 
   Subsystem 2 - Part No SW: 8U0 955 559 B    HW: 8U0 955 559 B  Labels: 8U0-955-559.CLB
   Component: G397_RLFS  H06 0002 
   Serial number: 20652154            
   Coding: 00006C

   Light switch: 
   Subsystem 3 - Part No SW: 8V0 941 531 Q    HW: 8V0 941 531 Q
   Component: E1 - LDS MQB  H05 0032 
   Serial number: 24 07 2012  00000527

   Sensor For Anti Theft Alarm System: 
   Subsystem 4 - Part No SW: 8V0 951 177     HW: 5Q0 951 172 
   Component: Sensor, DWA  005 0313 
   Serial number: 000000000ZY120510H04

   Alarm horn: 
   Subsystem 5 - Part No SW: 5Q0 951 605     HW: 5Q0 951 605 
   Component: Sirene, DWA  004 0311 
   Serial number: 00000000000055156479

1 Fault Found:
939534 - Humidity sensor 
          B1281 04 [009] - Internal System Fault
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 19
                    Reset counter: 115
                    Mileage: 198010 km
                    Date: 2020.05.25
                    Time: 13:16:01


-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J791)       Labels:| 5Q0-919-283.clb
   Part No SW: 5Q0 919 283 A    HW: 5Q0 919 283 
   Component: PARKHILFE 4K  009 0026  
   Revision: --------    Serial number: 60831225704299
   Coding: 0000040001
   Shop #: WSC 06314 790 00021
   ASAM Dataset: EV_EPHVA14AU3700000 002015
   ROD: EV_EPHVA14AU3700000_002_VW37.rod
   VCID: 3776D0018ED39A3EFA-8062

No fault code found.

-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428)       Labels:| 5Q0-907-567.clb
   Part No SW: 5Q0 907 567 J    HW: 5Q0 907 567 G
   Component: ACC3          H08 0396  
   Serial number: 16051375030494
   Coding: 00200301FE0309
   Shop #: WSC 59851 001 1048576
   ASAM Dataset: EV_ACCBoschMQB 001023
   ROD: EV_ACCBoschMQB_AU37.rod
   VCID: 4280B1D5D511CF965D-8016

2 Faults Found:
0048 - Internal Fault 
          B200F F0 [104] - Unknown Error Elaboration
          [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 1
                    Fault Frequency: 1
                    Reset counter: 113
                    Mileage: 198010 km
                    Date: 2020.05.25
                    Time: 14:54:01

                    Control Module temperature: 18 °C
                    Voltage terminal 15: 12.0 V
                    Vehicle speed: 0.00 m/s
                    Acceleration: 0.00 m/s²

1117 - Automatic Distance Control 
          B10E7 F0 [040] - Disconnected
          [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 6
                    Reset counter: 155
                    Mileage: 198010 km
                    Date: 2020.05.25
                    Time: 13:18:31

                    Control Module temperature: 29 °C
                    Voltage terminal 15: 14.3 V
                    Vehicle speed: 0.00 m/s
                    Acceleration: 0.00 m/s²


-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5Q0-959-655.clb
   Part No SW: 5Q0 959 655 L    HW: 5Q0 959 655 L
   Component: AirbagVW20    009 0349  
   Serial number: 003GER00BKGL
   Coding: 98CCC0000C0000005C5400CA00C800000065
   Shop #: WSC 06314 790 00021
   ASAM Dataset: EV_AirbaVW20SMEVW37X 002126
   ROD: EV_AirbaVW20SMEVW37X_VW48.rod
   VCID: 4992A6F9E8271CCE9C-801C

   Side Sensor Driver Front: 
   Subsystem 1 - Part No SW: -----------    HW: 480 001 110 12
   Component: SideSensor_Df  001 0887 
   Serial number: 3576700000058348FB0$
   Coding: 2D2D2D

   Side Sensor Passenger Front: 
   Subsystem 2 - Part No SW: -----------    HW: 480 001 110 12
   Component: SideSensor_Pf  001 0887 
   Serial number: 35867000000F5248FB03
   Coding: 2D2D2D

   Side Sensor Driver Rear: 
   Subsystem 3 - Part No SW: -----------    HW: 480 400 910 12
   Component: SideSensor_Dr  001 6149 
   Serial number: 3516502AD0D19C32F0BP
   Coding: 2D2D2D

   Side Sensor Passenger Rear: 
   Subsystem 4 - Part No SW: -----------    HW: 480 400 910 12
   Component: SideSensor_Pr  001 6149 
   Serial number: 3526502BB0D53541134+
   Coding: 2D2D2D

   Front Sensor Driver: 
   Subsystem 5 - Part No SW: -----------    HW: 480 400 409 12
   Component: FrontSensor_D  001 6149 
   Serial number: 3556502B10C5C1A0F0EL
   Coding: 2D2D2D

   Pedestrian Protection Driver: 
   Subsystem 6 - Part No SW: -----------    HW: 480 402 409 12
   Component: PedP_Sensor_D  001 6149 
   Serial number: 2286502B10D19C33D2DK
   Coding: 2D2D2D

   Pedestrian Protection Passenger: 
   Subsystem 7 - Part No SW: -----------    HW: 480 401 207 12
   Component: PedP_Sensor_P  001 6149 
   Serial number: 2296502B50B3DFC0719R
   Coding: 2D2D2D

   Pedestrian Protection Center: 
   Subsystem 8 - Part No SW: -----------    HW: 480 401 609 13
   Component: PedP_Sensor_C  001 6149 
   Serial number: 2306502C511D1521226Q
   Coding: 2D2D2D

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:. 5Q0-953-549.clb
   Part No SW: 8V0 953 521 D    HW: 5Q0 953 549 A
   Component: Lenks. Modul  007 0070  
   Revision: --------    Serial number: 31081200010614
   Coding: E408
   Shop #: WSC 06314 790 00021
   ASAM Dataset: EV_SMLSKLOMQB 009001
   ROD: EV_SMLSKLOMQB_009_AU37.rod
   VCID: 3B7ECC31B2FBBE5E1E-806E

No ASAM data for: "EV_SMLSKLOMQB" (AU37) 
No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5G0-920-XXX-17.clb-SRI3
   Part No SW: 8V0 920 970 K    HW: 8V0 920 970 K
   Component: KOMBI         H22 0490  
   Coding: 27840100278046000100E800000000
   Shop #: WSC 06314 790 00021
   ASAM Dataset: EV_DashBoardVDDMQBAB 008026
   ROD: EV_DashBoardVDDMQBAB_008_VW37.rod
   VCID: 448CB7CDCF05C1A66F-8010

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:| 5Q0-907-530-V1.clb
   Part No SW: 5Q0 907 530 J    HW: 5Q0 907 530 F
   Component: GW MQB High   122 1126  
   Revision: --------    Serial number: 0000121503
   Coding: 030100F40B0876005B000258080B00000001000000000000000000000000
   Shop #: WSC 06314 790 00021
   ASAM Dataset: EV_GatewLear 008010
   ROD: EV_GatewLear_008.rod
   VCID: 3874D33D83CD9546F3-806C

   Alternator: 

   Multi Function Steering Wheel Control Module: 
   Subsystem 2 - Part No SW: 8U0 951 528 A    HW: 8U0 951 528 A
   Component: E221 - MFL  H02 0014 
   Serial number: 10 10 2012  D0125013

   Battery Monitoring Control Module: 
   Subsystem 3 - Part No SW: 5Q0 915 181 C    HW: 5Q0 915 181 C
   Component: J367-BDMHella  H03 8042 
   Serial number: 6626888301          

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:| 5QX-959-X93-42.clb
   Part No SW: 5Q0 959 593 A    HW: 5Q0 959 593 
   Component: TSG FS        H12 0006  
   Serial number: 25081200011217
   Coding: 001C0E205C01040100001003
   Shop #: WSC 06314 790 00021
   ASAM Dataset: EV_DCUDriveSideEWMAXKLO 006003
   ROD: EV_DCUDriveSideEWMAXCONT.rod
   VCID: 3F86B821A6E3A27E32-806A

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 5Q0-909-144.clb
   Part No SW: 5Q0 909 144 L    HW: 5Q0 909 144 L
   Component: EPS_MQB_ZFLS  119 1021  
   Coding: 81
   Shop #: WSC 06314 790 00021
   ASAM Dataset: EV_SteerAssisMQB 008022
   ROD: EV_SteerAssisMQB_008.rod
   VCID: 3D7AC229ACEFB06E20-8068

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:| 5QX-959-X92-52.clb
   Part No SW: 5Q0 959 592 A    HW: 5Q0 959 592 
   Component: TSG BFS       H12 0006  
   Serial number: 27091200010118
   Coding: 001C06205E01040100001003
   Shop #: WSC 06314 790 00021
   ASAM Dataset: EV_DCUPasseSideEWMAXKLO 006003
   ROD: EV_DCUPasseSideEWMAXCONT.rod
   VCID: 3E78C525A1E9AB7639-806A

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:| 8V0-035-MIB-STD1.clb
   Part No SW: 8V0 035 874 A    HW: 8V0 035 874 
   Component: MU-S-ND-ER    039 0370  
   Serial number: A7F02009120398
   Coding: 01730001FF0A000021111101000A00002F0004460100010006
   Shop #: WSC 06314 790 00021
   ASAM Dataset: EV_MUStd6C3PASE 002020
   ROD: EV_MUStd6C3PASE.rod
   VCID: 3A70C935BDC1875605-806E

   Data medium: 
   Subsystem 1 - Part No SW: 8V0 919 866     HW: -----------
   Component:  ECE 2012/13  --- 0010 
   Serial number: --------------------

   Display unit 1 for multimedia system: 
   Subsystem 2 - Part No SW: 8V0 919 603 A    HW: 8V0 919 603 A
   Component: DU Std  H47 0013 
   Serial number: AUZ8Z9CG20011M      

   Multimedia Operating Unit: 
   Subsystem 3 - Part No SW: 8V0 919 614 B    HW: 8V0 919 614 B
   Component: ControlUnit_B  H33 0037 
   Serial number: C1000003091200010033

No fault code found.

End-------------------------(Elapsed Time: 03:33)--------------------------
 
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   #2  

downtime

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Dealer job to remove CP.

What comes to original ACC module. Faulty module?
 
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   #3  

Uwe

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This is not a 2012 car. It's clearly a 2013:
WAUZZZ8VXDA0xxxxx

I've adjusted the thread topic to reflect that. :)

Looks like the old ACC sensor in the scan above has failed.

I agree with downtime; CP removal is a dealer job (or at least someone with factory ODIS software and access to the factory servers) and then the replacement sensor needs to be calibrated, which requires special targets and measurement gear. So it's not a DYI project.

-Uwe-
 
   #4  

deej

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Thanks downtime - The scan in the post is from the original module. But before seeing the replacement module there was just 1117 - Automatic Distance Control - B10E7 F0 [040] - Disconnected - The fault clears with engine not running but come on immediately after engine starts.
 
   #5  

deej

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Thanks Uwe, Well the date of first registration is 26/11/2012 - So clearly made before 2013 :) - The MY is 2013 ...It's just one of the early ones I guess. I'll remember to be clearer next time to avoid the confusion.
I'll update about the CP removal for those interested.
 
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Uwe

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Thanks Uwe, Well the date of first registration is 26/11/2012 - So clearly made before 2013 :) - The MY is 2013 ...It's just one of the early ones I guess. I'll remember to be clearer next time to avoid the confusion.
Model year is what matters when it comes to diagnostic info. I saw a mention of Component Protection and was like, "What, a 2012 A3 doesn't have that!" :D

-Uwe-
 
   #7  

PetrolDave

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Thanks Uwe, Well the date of first registration is 26/11/2012 - So clearly made before 2013 :) - The MY is 2013 ...It's just one of the early ones I guess.
FYI my previous Audi was built in JUNE 2006, but the VIN stated it was a 2007 model - the MY changeover happens in mid year around the time of the factory summer break.
 
   #8  

deej

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Update on this one. All sorted. My local independent - Quattro-Tech removed 'component protection' at a very reasonable price which includes an on-line check that the part now fitted was not from a stolen vehicle. The used sensor was from a Golf 7 on the same MQB platform so no real surprise no alignment was required as I mounted it with the adjusting bracket it came with untouched. For interest I found this DIY aligning routine and wondered if anyone had given it a shot? ...https://www.audi4ever.com/blog/eintrag/25254-blog/
 
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