2016 A6 2.0TDI REDUCTANT SENSOR FAULT

   #1  

BOBSER1

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hello folks ,was just looking to see if anybody has came across these faults shown in scan
or has anybody replaced there reductant sensor as i am starting to suspect it is faulty .any help would be great .cheers...

Code:
Thursday,05,December,2019,19:45:56:65251
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 19.6.2.0 (x64)  HEX-NET CB: 0.4508.4
Data version: 20190930 DS308.0
[url]www.Ross-Tech.com[/url]


VIN: WAUZZZ4G9GN124318   License Plate: 


Chassis Type: 4G-AU57 (4G5)
Scan: 01 02 03 05 08 09 15 16 17 19 20 28 3B 42 44 46 52 53 55 5F
          62 6D 72 AC

VIN: WAUZZZ4G9GN124318   Mileage: 98563km-61244miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: OK 0000
08-Auto HVAC -- 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: OK 0000
20-High Beam Assist. -- Status: OK 0000
28-HVAC, Rear -- Status: OK 0000
3B-Sensor Elect. -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
AC-Reductant Control -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CNHA)       Labels:. 04L-907-309-V1.clb
   Part No SW: 04L 906 021 FQ    HW: 04L 907 309 
   Component: R4 2,0L EDC   H23 1649  
   Revision: 85H23---    
   Coding: 12254012242401080000
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_ECM20TDI01104L906021FQ 002004
   ROD: EV_ECM20TDI01104L906021FQ_002.rod
   VCID: F9BAA48B7827318760-80AC

2 Faults Found:
9646 - Reductant 
          P20E9 00 [032] - Pressure too High
          Intermittent - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 2
                    Mileage: 98530 km
                    Date: 2019.12.04
                    Time: 20:03:17

                    Engine speed: 829.00 /min
                    Normed load value: 34.9 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 83 °C
                    Intake air temperature: 51 °C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 13.040 V
                    Unlearning counter according OBD: 38
                    Extern.temp.sens.1 bank 1: raw value: 8.0 °C
                    Pressure sensor for reducing agent: measured pressure: 889 hPa
                    Sensor for reducing agent tank temperature: temperature: 9.1 °C
                    Reducing agent pump: activation: 30.00 %
                    Sensor for reducing agent fill level: voltage: 3100.0 mV

9658 - Reductant Pressure Sensor Circuit 
          P204B 00 [047] - Implausible Signal
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 2
                    Mileage: 98526 km
                    Date: 2019.12.04
                    Time: 19:43:37

                    Engine speed: 829.50 /min
                    Normed load value: 27.5 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 79 °C
                    Intake air temperature: 43 °C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 14.620 V
                    Unlearning counter according OBD: 40
                    Extern.temp.sens.1 bank 1: raw value: 7.0 °C
                    Pressure sensor for reducing agent: measured pressure: 925 hPa
                    Sensor for reducing agent tank temperature: temperature: 9.1 °C
                    Reducing agent pump: activation: 0.00 %
                    Sensor for reducing agent fill level: voltage: 3105.0 mV

Readiness: 0 1 0 0 0 

-------------------------------------------------------------------------------
Address 02: Auto Trans (J217)       Labels:| 0CJ-927-156.clb
   Part No SW: 4G1 927 153 B    HW: 0CK 927 156 S
   Component: 0CK 20TDI RdW H04 0002  
   Revision: --H04---    Serial number: 0000000851
   Coding: 100001
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_TCMDL382021 002020
   ROD: EV_TCMDL382021_AU57.rod
   VCID: A91AB4CBC807410750-80FC

   Manual Transmission Fluid Pump: 
   Subsystem 1 - Part No SW: 0CK 927 152 AA    HW: 0CK 321 281 K
   Component: V553 MTFP  HB1 0572 
   Serial number: 75117051150325000536

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 4G0-907-379-V2.clb
   Part No SW: 4G0 907 379 S    HW: 4G0 907 379 S
   Component: ESP9 Premium  H01 0530  
   Revision: --------    Serial number: --------------
   Coding: 06A29E41604579829B00
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_ESP9BOSCHAU57X 004018
   ROD: EV_ESP9BOSCHAU57X_004_AU57.rod
   VCID: C1CA0C6B5077A94768-8094

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
   Part No SW: 4H0 907 064 GN    HW: 4H0 907 064 GN
   Component: BCM2 2.0      H37 0572  
   Revision: 00002001    
   Coding: 01B9704E000000000000
   Shop #: WSC 02391 785 00200
   VCID: FBB6BE837A1B039772-80AE

   Subsystem 2 - Part No SW: 4H0 905 852 C    HW: 4H0 905 852 C
   Component: J764 ELV MLB  H40 0046 
   Serial number: 3215000180378001    

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:| 4G0-820-043-4Z.clb
   Part No SW: 4G0 820 043 CD    HW: 4G0 820 043 CD
   Component: KLIMA 4 ZONEN H14 0112  
   Serial number: 26111500040061
   Coding: 34220978210000
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_AirCondiComfoUDS 003008
   ROD: EV_AirCondiComfoUDS_003.rod
   VCID: E386E6E3EAABDB575A-80B6

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 4H0-907-063-V2.clb
   Part No SW: 4H0 907 063 DH    HW: 4H0 907 063 AH
   Component: BCM1 2.0      H20 0311  
   Revision: 15020001    Serial number: 00001231228901
   Coding: 0105001440349FE041014083000018000F9DC7082F08020100000894E100140200400024030000
   Shop #: WSC 02391 785 00200
   VCID: F1AA9CAB285779C7D8-80A4

   Subsystem 1 - Part No SW: 4G2 955 119     HW: 4G8 955 119 A  Labels: 1KX-955-119.CLB
   Component: WWS57X 150919  H38 0080 
   Serial number:         151002033303
   Coding: 0045F7

   Subsystem 2 - Part No SW: 8U0 955 559 C    HW: 8U0 955 559 B  Labels: 8U0-955-559.CLB
   Component: G397_RLFS  H06 0004 
   Serial number: 61001742            
   Coding: 02006D

   Subsystem 3 - Part No SW: 4G0 941 531 BE    HW: 4G0 941 531 BE
   Component: E1 - LDS  H07 0044 
   Serial number: 28 11 2015  00000337

   Subsystem 4 - Part No SW: 4H0 907 658     HW: 4H0 907 658 
   Component: AQ_Hum_Sensor  H03 0003 
   Serial number: 2EA98CD7000000000001

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:* 4H0-959-655.clb
   Part No SW: 4H0 959 655 H    HW: 4H0 959 655 H
   Component: Airbag10.43   H82 0086  
   Revision: --------    Serial number: 003P1007LJVL
   Coding: 30333130313630323639554A305234473053
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_AirbaAU10BPAAU64X 001014
   ROD: EV_AirbaAU10BPAAU64X_VW51.rod
   VCID: BB367E83329BC39732-80EE

   Crash sensor for side airbag: driver side: 
   Serial number: 3575HRB40673LPS861P.

   Crash sensor for side airbag: front passenger side: 
   Serial number: 3585HRB40693LPS848M%

   Crash sensor for side airbag: rear: driver side: 
   Serial number: 3515JRB40085558A81KG

   Crash sensor for side airbag: rear: passenger side: 
   Serial number: 3525JRB40085558AMHI2

   Crash sensor for front airbag: driver side: 
   Serial number: 3554VRB401G554Q2COS+

   Crash sensor for front airbag: front passenger side: 
   Serial number: 3564VRB400E555N0M9RT

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:. 4H0-953-568.clb
   Part No SW: 4H0 953 568 K    HW: 4H0 953 568 K
   Component: Lenks.Modul   H06 0005  
   Revision: C0068538    Serial number: 90862OL2001D7 
   Coding: 000035
   Shop #: WSC 02391 785 00200
   VCID: BB367E833A9BC39732-80EE

   Subsystem 1 - Part No SW: 4G0 951 528 A    HW: 4G0 951 528 A
   Component: E221 - MFL  H08 0010 
   Serial number: 22 10 2015  G0063319

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 4H0-920-xxx-17.clb-SRI1
   Part No SW: 4G8 920 951 E    HW: 4G8 920 951 E
   Component: MDieGb        H43 0604  
   Revision: 29450306    Serial number: 658301115592013
   Coding: 33A612000B412600010000
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_RBC7KMID 004050
   ROD: EV_RBC7KMID.rod
   VCID: B22853A7E5D102DFE1-80E6

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:* None
   Part No SW: 4G5 907 468 F    HW: 4G0 907 468 AC
   Component: J533--Gateway H14 0083  
   Revision: --------    Serial number: 00000002071108
   Coding: C0CD074418
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_GatewPkoUDS 001028
   ROD: EV_GatewPkoUDS_001_AU57.rod
   VCID: B83C618F03ADE88FDF-80EC

   Battery Monitoring Control Module: 
   Subsystem 1 - Part No SW: 8T0 915 181     HW: 8T0 915 181 
   Component: J367-BDMHella  H03 8041 
   Serial number: 8471058603          

   Voltage stabilizer: 
   Subsystem 2 - Part No SW: 8K0 959 663 D    HW: 8K0 959 663 D
   Component: J532_DCDCStab  H23 0022 
   Serial number: 150903000000000003B0

No fault code found.

-------------------------------------------------------------------------------
Address 20: High Beam Assist. (J844)       Labels: None
   Part No SW: 4H0 857 511     HW: 4H0 857 511 
   Component: FLA           H04 0021  
   Revision: AA001002    
   Coding: 04028264747464545425363E00
   Shop #: WSC 02391 785 00200
   VCID: E79EF2F31693B77786-80B2

No fault code found.

-------------------------------------------------------------------------------
Address 28: HVAC, Rear (E265)       Labels:* 4G0-919-158.clb
   Part No SW: 4G0 919 158 Q    HW: 4G0 919 158 Q
   Component: KLIMA FOND    H08 0112  
   Serial number: 26111500041560
   Coding: 22
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_ClimaContrUnitRearUDS 003004
   ROD: EV_ClimaContrUnitRearUDS_003.rod
   VCID: BD32709B2C8FCDA70C-80E8

No fault code found.

-------------------------------------------------------------------------------
Address 3B: Sensor Elect. (J849)       Labels: 4G0-907-637.clb
   Part No SW: 4G0 907 637 H    HW: 4G0 907 637 D
   Component: SARA 3D       H04 0056  
   Revision: --------    Serial number: EJ1BPA720LVUDC
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_SARA2 005012
   ROD: EV_SARA2.rod
   VCID: B32656A31ACB0BD7EA-80E6

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:. 4H0-959-793.clb
   Part No SW: 4G8 959 793 J    HW: 4G8 959 793 G
   Component: TSG FA        H03 0511  
   Revision: --------    Serial number: --------------
   Coding: 011C16014001620002080002
   Shop #: WSC 02391 785 00200
   VCID: C7DE127376539777A6-8092

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 4G0-909-144.clb
   Part No SW: 4G0 909 144 T    HW: 4G0 909 144 Q
   Component: RCevo         H53 0202  
   Revision: 00000002    Serial number: 0000419456
   Coding: 101000010001
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_RCEPS 106007
   ROD: EV_RCEPS_106.rod
   VCID: BA387B873DA1FA9F29-80EE

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv. (J393)       Labels:. 4H0-907-064-46.clb
   Part No SW: 4H0 907 064 GN    HW: 4H0 907 064 GN
   Component: BCM2 2.0      H37 0572  
   Revision: 00002001    Serial number: 0388031400    
   Coding: 013B0622A0B93000C320090400010F470000000000000000000000000000
   Shop #: WSC 02391 785 00200
   VCID: FBB6BE837A1B039772-80AE

   Subsystem 1 - Part No: 4G0 951 177 A
   Component: Sensor, DWA  005 0002 

   Subsystem 2 - Part No: 1K0 951 605 C
   Component: LIN BACKUP HO  H05 1501 

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:. 4H0-959-792.clb
   Part No SW: 4G8 959 792 J    HW: 4G8 959 792 G
   Component: TSG BF        H03 0511  
   Revision: --------    Serial number: --------------
   Coding: 011C16014001620002080002
   Shop #: WSC 02391 785 00200
   VCID: C6C01F7771598E7F5D-8092

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake (----)       Labels: 4H0-907-801.clb
   Part No SW: 4H0 907 801 H    HW: 4H0 907 801 A
   Component: EPB-4         H04 0015  
   Revision: --------    Serial number: 00000001674214
   ASAM Dataset: EV_ParkiBrake 001028
   ROD: EV_ParkiBrake_VW51.rod
   VCID: AD1240DBFCEF5D27BC-80F8

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range (J745)       Labels:| 4H4-907-357-V2.clb
   Part No SW: 4H4 907 357 E    HW: 7P6 907 357 B
   Component: MxB-ECU       001 0100  
   Revision: --------    Serial number: --------------
   Coding: 04FE02102A600200
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_HeadlRegulAUDIMXBAU64X 005009
   ROD: EV_HeadlRegulAUDIMXBAU64X_005_AU57.rod
   VCID: B42455BF1FC50CEFF3-80E0

   Led Headlamp Powermodule Left: 
   Subsystem 1 - Part No SW: 7PP 941 472 J    HW: 7PP 941 472 J  Labels: 3D0-941-329.CLB
   Component: LED LeiMo li.  H07 7560 
   Coding: E01E00

   Led Headlamp Powermodule Right: 
   Subsystem 2 - Part No SW: 7PP 941 472 J    HW: 7PP 941 472 J  Labels: 3D0-941-329.CLB
   Component: LED LeiMo re.  H07 7560 
   Coding: E01E00

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels: Redir Fail!
   Part No SW: 4G1 035 192 A    HW: 4G1 035 192 A
   Component: RMC Nav Plus  H61 0139  
   Coding: 0101010101415B47082B060301010000000000
   Shop #: WSC 02391 785 00200
   VCID: A10AACEBB837894708-80F4

   Subsystem 1 - Part No: 8X0 919 884 J
   Component: P32-50-15.03  0001 

   Subsystem 2 - Part No SW: 4G0 919 603 B    HW: 4G0 919 603 B
   Component: DU6 Basic  H43 0084 
   Serial number: 9464K10F2741285     

   Subsystem 3 - Part No SW: 4G2 919 610 E    HW: 4G2 919 610 E
   Component: E380 BDT C7  H20 0250 
   Serial number: 90349OKJ0009H       

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left (J388)       Labels:. 4H0-959-795.clb
   Part No SW: 4G8 959 795 J    HW: 4G8 959 795 G
   Component: TSG HL        H03 0511  
   Revision: --------    Serial number: --------------
   Coding: 010814004001620002080002
   Shop #: WSC 02391 785 00200
   VCID: C9DA144B60476107B0-809C

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect. (----)       Labels:* Redir Fail!
   Part No SW: 4G9 959 107 C    HW: 4G9 959 107 B
   Component: HDSG-Modul    H05 0151  
   Revision: 14005001    Serial number: 323501349
   Coding: 093205C010
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_HDSGAu572 001022
   ROD: EV_HDSGAu571.rod
   VCID: B6206FB709B91EFFCD-80E2

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right (J389)       Labels:. 4H0-959-795.clb
   Part No SW: 4G8 959 795 J    HW: 4G8 959 795 G
   Component: TSG HR        H03 0511  
   Revision: --------    Serial number: --------------
   Coding: 010814004001620002080002
   Shop #: WSC 02391 785 00200
   VCID: C9DA144B60476107B0-809C

No fault code found.

-------------------------------------------------------------------------------
Address AC: Reductant Control (J880)       Labels: 4G0-907-355.clb
   Part No SW: 4G0 907 355 G    HW: 4G0 907 355 B
   Component: SCR-Stg-G2    H10 0013  
   Revision: 00000000    Serial number: 153090520
   ASAM Dataset: EV_RDCMA00100 008040
   ROD: EV_RDCMA00100_008.rod
   VCID: AF2E5AD3F6E32F378E-80FA

No fault code found.

End----------(Elapsed Time: 01:58, VBatt start/end: 14.6V/14.6V)-----------
 
Last edited by a moderator:
   #2  

Uwe

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I think we've seen pressure too low, but I don't recall one with pressure too high.

-Uwe-
 
   #3  

BOBSER1

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Yea man on previous scan it had pressure to low also. Was the outcome a faulty sensor can u recall?
 
   #5  

BOBSER1

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yea very true it only seemed to start throwing this fault when the weather was dropping below zero.cheers ill let ya know th result when i get to the bottom of it
 
   #6  

Jack@European_Parts

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Last edited:
   #7  

BOBSER1

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i did not but thanks very much for the info and links ,much appreciated man .
 
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