Code p0491 and u3501 shoud i be worried?

   #1  

superglue9009

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Location
Long Island, NY, USA
VCDS Serial number
C?ID=596758
Check engine light came on today after having these two codes for a week.
Any ideas ?
 
   #2  

superglue9009

Verified VCDS User
Verified
Joined
Sep 16, 2024
Messages
19
Reaction score
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Location
Long Island, NY, USA
VCDS Serial number
C?ID=596758
Code:
Friday,20,September,2024,19:47:49:15386
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 24.7.0.0 (x64)  HEX-V2 CB: 0.4643.5
Data version: 20240715 DS356.3
www.Ross-Tech.com


VIN: 3VV4B7AX8MM067871   License Plate: 9.20
Mileage: 110213km-68483mi   Repair Order:



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


Chassis Type: AX-VW37 (3Q0)
Scan: 01 02 03 05 08 09 10 13 15 17 19 22 29 36 39 3C 42 44 47 4B
          52 5F 6C 6D 75 A5 BB BC CA D6 D7

VIN: 3VV4B7AX8MM067871   Mileage: 110213km-68483miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
05-Acc/Start Auth. -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- 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
22-AWD -- Status: OK 0000
29-Left Light -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
39-Right Light -- Status: OK 0000
3C-Lane Change -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
47-Sound System -- Status: OK 0000
4B-Multifunc. Module -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
75-Telematics -- Status: OK 0000
A5-Frt Sens. Drv. Assist -- Status: OK 0000
BB-Door Rear Drv -- Status: OK 0000
BC-Door Rear Pass -- Status: OK 0000
CA-Sunroof -- Status: OK 0000
D6-Light Ctrl Left 2 -- Status: OK 0000
D7-Light Ctrl Right 2 -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-DTEA)       Labels:. 06L-907-115-V1.clb
   Part No SW: 83A 907 115 F    HW: 06L 907 309 B
   Component: R4 2.0l TFSI  H31 0002 
   Revision: 1DH31000    CVN: 50917987
   Coding: 012A00122466012FB4000000000000000000000000000000
   Shop #: WSC 00066 790 00452
   ASAM Dataset: EV_ECM20TFS01183A907115F 001004
   ROD: EV_ECM20TFS01183A907115F.rod
   VCID: 290825E8997AE3E228D-807C
   VINID: 0E698448746821D74018720704C0D5FB53

2 Faults Found:
42452 - Voltage Supply 1 for Control Module
          U3501 00 [00100000] - Too Low
          Intermittent - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 109992 km
                    Date: 2024.09.12
                    Time: 19:24:56

                    Engine RPM: 1189.50 /min
                    Normed load value: 13.7 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 28 �C
                    Intake air temperature: 27 �C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 10.940 V
                    Unlearning counter according OBD: 27
                    Engine status: COENG_RUNNING
                    Engine status-Test_Program_Co Eng st COMPU VERB UBYTE: 3

7654 - Secondary Air Injection System: Bank 1
          P0491 00 [11101101] - Insufficient Flow
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 110040 km
                    Date: 2024.09.15
                    Time: 17:33:59

                    Engine RPM: 1217.00 /min
                    Normed load value: 20.8 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 32 �C
                    Intake air temperature: 26 �C
                    Ambient air pressure: 1000 mbar
                    Voltage terminal 30: 14.220 V
                    Unlearning counter according OBD: 40
                    Engine status: COENG_RUNNING
                    Engine status-Test_Program_Co Eng st COMPU VERB UBYTE: 3

Readiness: 1000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans (J217)       Labels: 09P-927-749-V1.clb
   Part No SW: 09G 927 158 FN    HW: 09G 927 158
   Component: AISIN AQ8     206 3756 
   CVN: 7343B318
   Coding: 0002000100000000000000000000000000000000
   Shop #: WSC 00066 790 00442
   ASAM Dataset: EV_TCMAQ450031 001001
   ROD: EV_TCMAQ450031_VW37.rod
   VCID: 0456545C5E98DE8A7BB-8050

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 5Q0-907-379-IPB-V1.clb
   Part No SW: 5Q0 614 517 GB    HW: 5Q0 614 517 BP
   Component: ESC           H35 0114 
   Revision: 00000000    Serial number: 50061000000221
   Coding: 0BFA6BA450261B73C57F0307A2C449D0D60AD8A3C045927438415058D2AA4A0B00402F641A1B13111435351919323200
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_Brake1UDSContiMK100IPB 049015
   ROD: EV_Brake1UDSContiMK100IPB_049_VW27.rod
   VCID: 77AC33901F4E85126E9-8022

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J518)       Labels:| 5Q0-959-435.clb
   Part No SW: 3Q0 959 435 N    HW: 3Q0 959 435 N
   Component: VWKESSYMQB    037 1307 
   Revision: 00037000    Serial number: 0562408980 Dataset Number: V03935344J0001
   Coding: 132C2C0723
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_KessyHellaMQBAB 004052
   ROD: EV_KessyHellaMQBAB.rod
   VCID: 45D08958152227822C5-8010

   Rear lid opener control module:
   Subsystem 1 - Part No SW: 3G0 962 243 C    HW: 3G0 962 243 C
   Component: GEB.F.Heckoef  H17 0906
   Serial number: 14937216           

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (E87)       Labels:| 5G0-907-044.clb
   Part No SW: 5NN 907 044 AG    HW: 5NN 907 044 AG
   Component: AC Automat    H36 4901 
   Revision: 20K04000    Serial number: 00000D00667550
   Coding: 0002002420011C001104010C12115416
   Shop #: WSC 00066 790 00452
   ASAM Dataset: EV_ACClimaPrehVW37X 002030
   ROD: EV_ACClimaPrehVW37X_002_VW37.rod
   VCID: 11786D0811EABB22C0D-8044

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 5Q0-937-08X-V2.clb
   Part No SW: 5Q0 937 085 CF    HW: 5Q0 937 085 CF
   Component: BCM MQBAB MNA H42 0411 
   Serial number: 1012022901���� Dataset Number: V03935335T0001
   Coding: 000000000000000000000000000000000000000000000000000000000000
   Shop #: WSC 00066 790 00247
   ASAM Dataset: EV_BCMMQB 021001
   ROD: EV_BCMBOSCH_021_VW37.rod
   VCID: 7F5CDBB0377EBD52269-802A

   Wiper motor control module:
   Subsystem 1 - Part No SW: 5NN 955 119     HW: 5NN 955 119   Labels: 1KX-955-119.CLB
   Component: 326 LL 201214  034 0373
   Serial number: 20121321080060     
   Coding: 0E4DDD

   Rain/Light Recognition Sensor:
   Subsystem 2 - Part No SW: 5Q0 955 555 A    HW: 5Q0 955 555 A
   Component: RLHSS  054 0207
   Serial number: S6Y20M11D13H04M36S18
   Coding: 0008DD

   Steering Column Switch:
   Subsystem 3 - Part No SW: 5Q1 953 521 KR    HW: 5Q1 953 569 K
   Component: Lenks.Modul  H24 0190
   Serial number: 0300171220200C202015

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:| 5Q0-919-294.clb
   Part No SW: 5QA 919 294 J    HW: 5QA 919 294
   Component: PDC 8 Kanal   H08 0073 
   Serial number: 000460608421002 Dataset Number: V03935320HL 0001
   Coding: 8471655811
   Shop #: WSC 00066 790 00442
   ASAM Dataset: EV_EPHVA18AU3700000 009053
   ROD: EV_EPHVA18AU3700000_009_VW37.rod
   VCID: 53F4A700EB768932B21-8006

No fault code found.

-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428)       Labels:| 2Q0-907-572.clb
   Part No SW: 2Q0 907 572 T    HW: 2Q0 907 572 B
   Component: ACCCONTIMQB   H03 0383 
   Dataset Number: V03935333DX 0001
   Coding: 320007D258FF8728749C810530409700000000000000000014
   Shop #: WSC 00066 790 00452
   ASAM Dataset: EV_ACCMRRCONTIVW376 003018
   ROD: EV_ACCMRRCONTIVW376_003_VW37.rod
   VCID: 45D08958152227822C5-8010

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5Q0-959-655.clb
   Part No SW: 5Q0 959 655 CB    HW: 5Q0 959 655 CB
   Component: AirbagVW21    008 0421 
   Serial number: 003J4M00GLA9 Dataset Number: V03935324PW 0001
   Coding: 8CCCFC00000000005000001AC24800000065
   Shop #: WSC 00066 790 00442
   ASAM Dataset: EV_AirbaVW20SMEVW37X 002166
   ROD: EV_AirbaVW20SMEVW37X_VW37.rod
   VCID: 025A5244448CD0BA497-8056

   Seat occupied recognition passenger side:
   Subsystem 1 - Part No SW: 4M0 959 339 B    HW: 4M0 959 339 B
   Component: BF-Gewichtss.  H14 0022
   Serial number: IBH00000000000F66WR3
   Coding: 303352

   Crash sensor for side airbag: driver side:
   Subsystem 2 - Part No SW: -----------    HW: 480 002 511 20
   Component: SideSensor_Df  001 0887
   Serial number: 357000000007592D3E4T
   Coding: 2D2D2D

   Front Passenger's Side Airbag Crash Sensor:
   Subsystem 3 - Part No SW: -----------    HW: 480 001 510 20
   Component: SideSensor_Pf  001 0887
   Serial number: 358000000006395D2C4R
   Coding: 2D2D2D

   Rear Side Airbag Crash Sensor (on driver's side):
   Subsystem 4 - Part No SW: -----------    HW: 480 400 412 20
   Component: SideSensor_Dr  004 6149
   Serial number: 35100011A638D735045W
   Coding: 2D2D2D

   Passenger side rear thorax airbag crash sensor:
   Subsystem 5 - Part No SW: -----------    HW: 480 400 212 20
   Component: SideSensor_Pr  004 6149
   Serial number: 35200011A6387731C51W
   Coding: 2D2D2D

   Crash sensor for front airbag: driver side:
   Subsystem 6 - Part No SW: -----------    HW: 480 402 312 20
   Component: FrontSensor_D  004 6149
   Serial number: 35500010A63731B5754X
   Coding: 2D2D2D

   Crash sensor for front airbag: front passenger side:
   Subsystem 7 - Part No SW: -----------    HW: 480 402 312 20
   Component: FrontSensor_P  004 6149
   Serial number: 35600012263731B317DV
   Coding: 2D2D2D

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5G0-920-XXX-17.clb-SRI3
   Part No SW: 3G0 920 420 B    HW: 3G0 920 420 B
   Component: KOMBI         502 5178 
   Coding: 08A42008EF88CF050288634B10010000A0600F07
   Shop #: WSC 00066 790 00452
   ASAM Dataset: EV_DashBoardVDDMQBA0 001044
   ROD: EV_DashBoardVDDMQBA0_001_VW37.rod
   VCID: 1D600138DD320F42545-8048

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:| 3Q0-907-530-V1.clb
   Part No SW: 3Q0 907 530 AG    HW: 3Q0 907 530 C
   Component: GW MQB High   521 5423 
   Serial number: 11012100841356 Dataset Number: V03935329FC 0001
   Coding: 030500347F085900FB07225A1E0F00010001070000000000000000000000
   Shop #: WSC 00066 790 00442
   GVL: 01C63C000800040040DC80008082C80010000000000200000000000000000000
   ASAM Dataset: EV_GatewNF 013026
   ROD: EV_GatewNF_VW37.rod
   VCID: 74B6049C0E38EE0A4BB-8020

   Generator:
   Component: 5-00-14-00-04 

   Multifunction steering wheel control module:
   Subsystem 2 - Part No SW: 5NA 959 442 B    HW: 5NA 959 442 B  Labels: 3C8-959-537.CLB
   Component: E221__MFL-TAT  H06 0025
   Serial number: 3252015011200900FG2B
   Coding: 2E0000

   Battery Monitoring Control Module:
   Subsystem 3 - Part No SW: 5QA 915 181 D    HW: 5QA 915 181 D
   Component: J367-BDMHella  H10 9070
   Serial number: 1918707800         

No fault code found.

-------------------------------------------------------------------------------
Address 22: AWD (J492)       Labels:| 0CQ-907-554-V1.clb
   Part No SW: 0CQ 907 554 J    HW: 0CQ 525 130
   Component: Haldex4Motion H55 7084 
   Serial number: HA1-00030.10.20 Dataset Number: v1260x015G0 0000
   Coding: 0101
   Shop #: WSC 00066 790 00452
   ASAM Dataset: EV_AllWheelContrHA1VW37X 004013
   ROD: EV_AllWheelContrHA1VW37X_004_VW37.rod
   VCID: 4CC6BC7C3648D6CAF3B-8018

No fault code found.

-------------------------------------------------------------------------------
Address 29: Left Light (J1018)       Labels: 8V0-907-399.clb
   Part No SW: 8V0 907 399 B    HW: 8V0 907 399 B
   Component: LCM_MLBevoH08 0014 
   ASAM Dataset: EV_LCMLeftHELLAAU736 001012
   ROD: EV_LCMLeftHELLAAU736_VW37.rod
   VCID: 45D08958152227822C5-8010

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J810)       Labels:* None
   Part No SW: 5Q0 959 760 F    HW: 5Q0 959 760 F
   Component: Sitzmemory    H10 0026 
   Serial number: Y0007TJ725175 Dataset Number: V03935337ZL
   Coding: 0010000200000500018280808080000000008101000000F440
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_SeatMemorDriveSide 002022
   ROD: EV_SeatMemorDriveSide.rod
   VCID: 40DE984C0A0002AA1F3-8014

No fault code found.

-------------------------------------------------------------------------------
Address 39: Right Light (J1023)       Labels: 8V0-907-399.clb
   Part No SW: 8V0 907 399 B    HW: 8V0 907 399 B
   Component: LCM_MLBevoH08 0014 
   ASAM Dataset: EV_LCMRightHELLAAU736 001012
   ROD: EV_LCMLeftHELLAAU736_VW37.rod
   VCID: 45D08958152227822C5-8010

No fault code found.

-------------------------------------------------------------------------------
Address 3C: Lane Change (J1086)       Labels:* Redir Fail!
   Part No SW: 2Q0 907 686 B    HW: 2Q0 907 686 B
   Component: HRE3_Kl15_Mst H06 0150 
   Serial number: 11230029248311  Dataset Number: V03935321CR 0001
   Coding: 52954640
   ASAM Dataset: EV_HREntryHellaGen3Kl15 002001
   ROD: EV_HREntryHellaGen3Kl15_002_VW27.rod
   VCID: 3928F5A869DA536258D-806C

   Lane change assistance control module 2:
   Subsystem 1 - Part No SW: 2Q0 907 685 B    HW: 2Q0 907 685 B
   Component: HRE3_Kl15_Slv  H06 0150
   Serial number: 11230029721920     

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:| 5QX-959-X93-42.clb
   Part No SW: 5Q4 959 593 N    HW: 5Q4 959 593 N
   Component: TSG FS        010 0820 
   Serial number: 96028035400463 Dataset Number: V03935321ZQ 0001
   Coding: 001F1B205600048000000000
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_DCU2DriveSideMAXHCONT 001005
   ROD: EV_DCU2DriveSideMAXHCONT_VW37.rod
   VCID: 50FEA80CDA60F22A8F3-8004

   Rear Driver Side Door Control Module:
   Subsystem 1 - Part No SW: 5Q4 959 811 G    HW: 5Q4 959 811 G  Labels: 5QX-959-81X-V1.CLB
   Component: Fond FHSG DRV  010 0004
   Serial number: 00000000000007427352
   Coding: 011000

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 5Q0-909-144.clb
   Part No SW: 5QM 909 144 C    HW: 5QM 909 144 B
   Component: EPS_MQB_ZFLS  173 1082 
   Dataset Number: V03935302RN 0001
   Coding: 911F0000
   Shop #: WSC 00066 790 00452
   ASAM Dataset: EV_SteerAssisMQB 015157
   ROD: EV_SteerAssisMQB_015.rod
   VCID: 51F8AD08D16AFB2280D-8004

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System (J525)       Labels:* None
   Part No SW: 5H0 035 456     HW: 5H0 035 456
   Component: AMPeth12C     H04 3327 
   Serial number: A1129A00051731  Dataset Number: V03935337AS 0001
   Coding: 24000000000000000000000000000000000000000000000000
   ASAM Dataset: EV_AMPEthMQB 001005
   ROD: EV_AMPEthMQB_VW27.rod
   VCID: 649674DCBED87E8ADBB-8030

No fault code found.

-------------------------------------------------------------------------------
Address 4B: Multifunc. Module (J745)       Labels:| 3Q0-907-338-V2.clb
   Part No SW: 3Q0 907 338 E    HW: 3Q0 907 338 E
   Component: FCM MQB Low   003 0367 
   Serial number: 15122000843120 Dataset Number: V03935302YF 0001
   Coding: 0000000509001D52002103010B0000000000000000000000000000000000
   Shop #: WSC 00066 790 00442
   ASAM Dataset: EV_MultiModulContiVW48X 003003
   ROD: EV_MultiModulContiVW48X_003.rod
   VCID: 372CF3905FCE4512AE9-8062

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:| 5QX-959-X92-52.clb
   Part No SW: 5Q4 959 592 N    HW: 5Q4 959 592 N
   Component: TSG BFS       010 0820 
   Serial number: 97028100600726 Dataset Number: V03935322BB 0001
   Coding: 001F13205E00048000000000
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_DCU2PasseSideMAXHCONT 001005
   ROD: EV_DCU2PasseSideMAXHCONT_VW37.rod
   VCID: 4FFCAB70C75EEDD2969-801A

   Rear Passenger Door Control Module:
   Subsystem 1 - Part No SW: 5Q4 959 812 G    HW: 5Q4 959 812 G  Labels: 5QX-959-81X-V1.CLB
   Component: Fond FHSG PSG  010 0004
   Serial number: 00000000000007433840
   Coding: 091000

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:| 3G5-035-MIB-HGH3.clb
   Part No SW: 3G5 035 842 B    HW: 3G5 035 842
   Component: MU-O-NS-US    H56 0841 
   Serial number: WG8LGM100522000 Dataset Number: V03935343FL 0001
   Coding: 23260000002020000000000000000000000000000000000000
   ASAM Dataset: EV_MUOIMQB 001002
   ROD: EV_MUOIMQB_001_VW27.rod
   VCID: 270C23D08F6ED5923E9-8072

   Display and control head 1 for information electronics:
   Subsystem 1 - Part No SW: 5G6 919 605 D    HW: 5G6 919 605 D
   Component: ABT_Std-2_Nav  261 8214
   Serial number: VWZ6ZMY0085952     

   Data carrier:
   Subsystem 2 - Part No SW: V03 959 809 CR    HW: -----------
   Component: NAR 2021       --- 5041
   Serial number: --------------------

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam. (J928)       Labels:* None
   Part No SW: 5Q0 907 556 D    HW: 5Q0 907 556
   Component: Areaview 2    H18 0609 
   Serial number: C854711JA001078 Dataset Number: V03935295TM 0001
   Coding: 01230601A20F200034204014
   Shop #: WSC 01383 790 50316
   ASAM Dataset: EV_CamSysRVAV2ARCE2MQBAB 006017
   ROD: EV_CamSysRVAV2ARCE2MQBAB_006_VW37.rod
   VCID: 3A2AEAA46CDC587A517-806E

No fault code found.

-------------------------------------------------------------------------------
Address 6D: Trunk Elect. (J605)       Labels:| 5Q0-959-107.clb
   Part No SW: 5Q0 959 107 AA    HW: 5Q0 959 107 H
   Component: HDSG-Modul    H13 0272 
   Revision: --------    Serial number: A2-C773-9590-1 Dataset Number: V03935339CW 0001
   Coding: 0A08
   Shop #: WSC 00066 790 00452
   ASAM Dataset: EV_DeckLidCONTIAU736 001017
   ROD: EV_DeckLidCONTIAU736_VW37.rod
   VCID: 77AC33901F4E85126E9-8022

No fault code found.

-------------------------------------------------------------------------------
Address 75: Telematics (J949)       Labels:* None
   Part No SW: 5WA 035 285 B    HW: 5WA 035 285
   Component: OCUGen3High   H12 0318 
   Serial number: 0000000012VITD3 Dataset Number: V03935341ZN 0001
   Coding: 023260201968AC209005460160102E07
   ASAM Dataset: EV_OCUGen3High 003007
   ROD: EV_OCUGen3High_003_VW27.rod
   VCID: 46D28E5428242C9A25F-8012

No fault code found.

-------------------------------------------------------------------------------
Address A5: Frt Sens. Drv. Assist (R242)       Labels:| 3Q0-980-65X-A5.clb
   Part No SW: 3Q0 980 654 S    HW: 3Q0 980 654 A
   Component: MQB_B_MFK     H14 0920 
   Serial number: 10112012P23911 Dataset Number: V03935335SQ 0001
   Coding: 0003070601020201002213468146450084000E20012000
   Shop #: WSC 00066 790 00452
   ASAM Dataset: EV_MFKBoschMQBB 002041
   ROD: EV_MFKBoschMQBB_002.rod
   VCID: 47CC83502F2E3592DE9-8012

No fault code found.

-------------------------------------------------------------------------------
Address CA: Sunroof (J245)       Labels:| 4M0-907-594.clb
   Part No SW: 4K0 907 594 AC    HW: 4K0 907 594
   Component: SAD_STG_1     006 0002 
   Dataset Number: V03935300SR 0001
   Coding: 00804073260C
   Shop #: WSC 00066 790 00442
   ASAM Dataset: EV_SunRoofCONTIAU736 009011
   ROD: EV_SunRoofCONTIAU736_009_VW37.rod
   VCID: 75B039980542F7027C5-8020

No fault code found.

-------------------------------------------------------------------------------
Address D6: Light Ctrl Left 2 (A31)       Labels: 7PP-941-572.clb
   Part No SW: 7P5 941 572 AG    HW: 7P5 941 572 A
   Component: LED1L         H07 0008 
   ASAM Dataset: EV_LEDMinMaxL_KEBODAVW481 001003
   ROD: EV_LEDMinMaxL_KEBODAVW481.rod
   VCID: 005E584C4A80C2AA5F3-8054

No fault code found.

-------------------------------------------------------------------------------
Address D7: Light Ctrl Right 2 (A27)       Labels: 7PP-941-572.clb
   Part No SW: 7P5 941 572 AG    HW: 7P5 941 572 A
   Component: LED1R         H07 0008 
   ASAM Dataset: EV_LEDMinMaxR_KEBODAVW481 001003
   ROD: EV_LEDMinMaxL_KEBODAVW481.rod
   VCID: 005E584C4A80C2AA5F3-8054

No fault code found.

End----------(Elapsed Time: 01:45, VBatt start/end: 13.0V/12.9V)-----------
Code:
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


VCDS Release 24.7.0:  SRI Reset-SRI3.CLB
Control Module Part Number: 3G0 920 420 B       Labels:  .*5G0-920-XXX-17.clb-SRI3
Component:KOMBI         502 5178, Coding:08A42008EF88CF050288634B10010000A0600F07
Operation: Please select an operation
************************************************************************************************************************************************************************************************************************************************
Channel                                                                                                 Description                                                     Current val.                                                    New val. 
IDE00342-ESI: Resetting ESI                                                                             ESI: Service Status                                             no warning                                                      ---      
IDE00510-ESI: distance driven from inspection                                                           ESI: Distance SINCE last Oil Service                            3087 km                                                         ---      
IDE00511-ESI: time from inspection                                                                      ESI: Time SINCE last Oil Service                                58 d                                                            ---      
IDE00512-ESI: minimum value km-driving distance/inspection                                              ESI: Minimum Distance to Oil Service(s)                         15000 km                                                        ---      
IDE00513-ESI: maximum value km-driving distance/inspection                                              ESI: Maximum Distance to Oil Service(s)                         30000 km                                                        ---      
IDE00827-ESI: minimum value of time between inspections                                                 ESI: Minimum Time to Oil Service(s)                             365 d                                                           ---      
IDE00514-ESI: maximum value of time between inspections                                                 ESI: Maximum Time to Oil Service(s)                             730 d                                                           ---      
IDE03351-FIX: Distance covered since last mileage-dependent inspection                                  FIX: Distance SINCE last mileage-dependent Inspection           3000 km                                                         ---      
IDE03352-FIX: Time since last time-dependent inspection                                                 FIX: Time SINCE last time-dependent Inspection                  58 d                                                            ---      
IDE03349-FIX:Max. distance driven until next mileage-related inspection                                 FIX: Max. Distance to mileage-dependent Inspection(s)           32200 km                                                        ---      
IDE03350-FIX: Maximum time until next time-dependent inspection                                         FIX: Max. Time to time-dependent Inspection(s)                  730 d                                                           ---      
IDE01153-SIA: maximum value of distance to service                                                      SIA/SID: Maximum Distance to Service/Inspection                 16100 km                                                        ---      
IDE01154-SIA: maximum value of time to service                                                          SIA/SID: Maximum Time to Service/Inspection                     365 d                                                           ---      
                                                                                                        ESI/INFO: Theoretical Oil Service Interval                                                                                      ---      
                                                                                                        ESI/INFO: Remaining Distance to Oil Service                                                                                     ---      
                                                                                                        ESI/INFO: Remaining Time to Oil Service                                                                                         ---      
                                                                                                        ESI/INFO: Oil Service Exceedance                                                                                                ---      
                                                                                                        ESI/INFO: Oil Service Exceedance                                                                                                ---      
                                                                                                        INFO: Day Counter (since Delivery Inspection)                                                                                   ---      
                                                                                                        INFO: Vehicle/Odomoter Mileage                                  ---                                                             ---      
IDE00517-ESI: soot entry                                                                                ESI/INFO: Soot Entry                                            0 km                                                            ---      
IDE00518-ESI: thermal load                                                                              ESI/INFO: Thermal Load                                          4600 km                                                         ---      
IDE00515-ESI: oil quality                                                                               ESI/INFO: Oil Quality                                           poor oil quality                                                ---      
                                                                                                        ESI/CODING: Oil Level Evaluation                                ---                                                             ---      
                                                                                                        ESI/CODING: ESI-SIA/SID ON/OFF                                  ---                                                             ---      
                                                                                                        ESI/CODING: ESI or SIA/SID                                      ---                                                             ---      
                                                                                                        ESI/CODING: Oil Pressure Warning                                ---                                                             ---      
                                                                                                        ESI/CODING: Remote Clock Receiver                               ---                                                             ---      
                                                                                                        ESI/CODING: Oil Quality                                         ---                                                             ---      
                                                                                                        ESI/CODING: Oil Level & Thermal Sensor                          ---                                                             ---      
************************************************************************************************************************************************************************************************************************************************


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


VCDS Release 24.7.0:  SRI Reset-SRI3.CLB
Control Module Part Number: 3G0 920 420 B       Labels:  .*5G0-920-XXX-17.clb-SRI3
Component:KOMBI         502 5178, Coding:08A42008EF88CF050288634B10010000A0600F07
Operation: Please select an operation
************************************************************************************************************************************************************************************************************************************************
Channel                                                                                                 Description                                                     Current val.                                                    New val. 
IDE00342-ESI: Resetting ESI                                                                             ESI: Service Status                                             no warning                                                      ---      
IDE00510-ESI: distance driven from inspection                                                           ESI: Distance SINCE last Oil Service                            3087 km                                                         ---      
IDE00511-ESI: time from inspection                                                                      ESI: Time SINCE last Oil Service                                58 d                                                            ---      
IDE00512-ESI: minimum value km-driving distance/inspection                                              ESI: Minimum Distance to Oil Service(s)                         15000 km                                                        ---      
IDE00513-ESI: maximum value km-driving distance/inspection                                              ESI: Maximum Distance to Oil Service(s)                         30000 km                                                        ---      
IDE00827-ESI: minimum value of time between inspections                                                 ESI: Minimum Time to Oil Service(s)                             365 d                                                           ---      
IDE00514-ESI: maximum value of time between inspections                                                 ESI: Maximum Time to Oil Service(s)                             730 d                                                           ---      
IDE03351-FIX: Distance covered since last mileage-dependent inspection                                  FIX: Distance SINCE last mileage-dependent Inspection           3000 km                                                         ---      
IDE03352-FIX: Time since last time-dependent inspection                                                 FIX: Time SINCE last time-dependent Inspection                  58 d                                                            ---      
IDE03349-FIX:Max. distance driven until next mileage-related inspection                                 FIX: Max. Distance to mileage-dependent Inspection(s)           32200 km                                                        ---      
IDE03350-FIX: Maximum time until next time-dependent inspection                                         FIX: Max. Time to time-dependent Inspection(s)                  730 d                                                           ---      
IDE01153-SIA: maximum value of distance to service                                                      SIA/SID: Maximum Distance to Service/Inspection                 16100 km                                                        ---      
IDE01154-SIA: maximum value of time to service                                                          SIA/SID: Maximum Time to Service/Inspection                     365 d                                                           ---      
                                                                                                        ESI/INFO: Theoretical Oil Service Interval                                                                                      ---      
                                                                                                        ESI/INFO: Remaining Distance to Oil Service                                                                                     ---      
                                                                                                        ESI/INFO: Remaining Time to Oil Service                                                                                         ---      
                                                                                                        ESI/INFO: Oil Service Exceedance                                                                                                ---      
                                                                                                        ESI/INFO: Oil Service Exceedance                                                                                                ---      
                                                                                                        INFO: Day Counter (since Delivery Inspection)                                                                                   ---      
                                                                                                        INFO: Vehicle/Odomoter Mileage                                  ---                                                             ---      
IDE00517-ESI: soot entry                                                                                ESI/INFO: Soot Entry                                            0 km                                                            ---      
IDE00518-ESI: thermal load                                                                              ESI/INFO: Thermal Load                                          4600 km                                                         ---      
IDE00515-ESI: oil quality                                                                               ESI/INFO: Oil Quality                                           poor oil quality                                                ---      
                                                                                                        ESI/CODING: Oil Level Evaluation                                ---                                                             ---      
                                                                                                        ESI/CODING: ESI-SIA/SID ON/OFF                                  ---                                                             ---      
                                                                                                        ESI/CODING: ESI or SIA/SID                                      ---                                                             ---      
                                                                                                        ESI/CODING: Oil Pressure Warning                                ---                                                             ---      
                                                                                                        ESI/CODING: Remote Clock Receiver                               ---                                                             ---      
                                                                                                        ESI/CODING: Oil Quality                                         ---                                                             ---      
                                                                                                        ESI/CODING: Oil Level & Thermal Sensor                          ---                                                             ---      
************************************************************************************************************************************************************************************************************************************************
 
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   #3  

Dr Sheldon

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7654 - Secondary Air Injection System: Bank 1
P0491 00 [11101101] - Insufficient Flow
MIL ON - Confirmed - Tested Since Memory Clear
That is the one responsible for the CEL

It is a fan that blows air into the exhaust when the engine is cold to help bring the Cat up to temp. - It's not blowing no more !!

WD, Output tests, DVM, Split pipework, Blockage ... ..... ....
 
   #4  

superglue9009

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If fan is not blowing anymore wouldn't the Fault frequency be more than 1?
Or
Maybe valve get stuck sometimes?

Thanks
 
   #5  

Dr Sheldon

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If fan is not blowing anymore wouldn't the Fault frequency be more than 1?
Or
Maybe valve get stuck sometimes?

Thanks
If fan is not blowing anymore wouldn't the Fault frequency be more than 1?
How many times do you need it to die ??


Maybe

You are the one sat in the car !!

That is for you to test and establish - Surely ?
 
   #6  

superglue9009

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Thanks for your replies

"If fan is not blowing anymore wouldn't the Fault frequency be more than 1?
How many times do you need it to die ??""

What I meant If I'm remembering correctly when comes to electrical Faulty codes they get recorded every time you start driving circle ( cold start). Not sure if engine codes works same way 🤔
I have driven the car for 25 miles since no Fault codes recorded
Actually I wasn't in the car, Car was remotely started and turned off after about a 1 min running

Appreciate your help! Thx
 
   #7  

vwtech

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Using VCDS log into ECU 01 key on engine off.
Select output tests and go thru them
1 test should be SAI kombi valve (this opens the door way to exhaust) you should hear it click.
Another test should be SAI relay. This test should click the relay on and off listen for relay clicking on and off.
Each time the relay clicks it should make the SAI pump (fan) run and you should hear it cycle on and off with relay.

Report back on what happens.

For some reason output tests only work 1 time and you can't do the tests back to back.
in order to do output test a second time you let car sit, turn key on and off, or drive the car. Strange and no idea why you can do test more then once.

Play around with out put tests kind of nice option to use.
Good Luck
 
   #9  

Dr Sheldon

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For some reason output tests only work 1 time and you can't do the tests back to back.
in order to do output test a second time you let car sit, turn key on and off, or drive the car. Strange and no idea why you can do test more then once.
Yes that is annoying however I have found that Ignition on and off - Then coming out of 01: Engine and back in VCDS will allow another go !

Never have had to let the car sit or drive it. Just how I have seen it to date !!
 
   #10  

vwtech

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@TTT I would say insufficient flow could be kombi valve not working.
@Dr Sheldon I will try that next time.

Good Luck
 
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   #12  

Dr Sheldon

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@TTT I would say insufficient flow could be kombi valve not working.


Good Luck
For the benefit of OP.

Meaning of insufficient Flow (of Air)

SAI is only utilised in a cold engine and the pump will run for approx. 60 seconds

When the SAI is switched on the ECU will be looking at the Oxygen sensor in the exhaust to detect a (very) Lean reading - that is how it knows if there is sufficient flow or not !! It is that simple !!

Without a WD i cannot begin to guess if your ECU can detect Open / Short Circuit etc. faults in the system components. Assume it cannot for now!

So your fault code be anywhere

1. SAI fan Faulty
2, The Valve that opens and closes the valve to the Exhaust tract

3, Next all the Wiring, Relays, Fuses, Powers/ Grounds / Signals that make the fan come on and off and open / close the valve


4. Very unlikely, but if all the above is good then it could be the ECU not pushing the commands or receiving the feed back
 
   #13  

Uwe

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For some reason output tests only work 1 time and you can't do the tests back to back.
in order to do output test a second time you let car sit, turn key on and off, or drive the car. Strange and no idea why you can do test more then once.
On older engines that only had a Sequential output test, the sequence inevitably included firing the injectors, and repeatedly doing that without starting the engine in between would wash oil from the cylinder walls or in extreme cases, hydro-lock a cylinder. Thus they put logic in the ECU's software to only allow it once.

However, this is a UDS ECU, which only has Selective output tests. These include:

IDE00245-ENG102225 -- Secondary air injection pump relay
IDE00246-ENG102225 -- Secondary air injection Solen.val.


Of course it also has tests for the four fuel injectors. So I wonder whether it's smart enough to let one run the SAI tests repeatedly provided you don't run the fuel injector tests?

-Uwe-
 
   #14  

superglue9009

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Using VCDS log into ECU 01 key on engine off.
Select output tests and go thru them
1 test should be SAI kombi valve (this opens the door way to exhaust) you should hear it click.
Another test should be SAI relay. This test should click the relay on and off listen for relay clicking on and off.
Each time the relay clicks it should make the SAI pump (fan) run and you should hear it cycle on and off with relay.

Report back on what happens.

For some reason output tests only work 1 time and you can't do the tests back to back.
in order to do output test a second time you let car sit, turn key on and off, or drive the car. Strange and no idea why you can do test more then once.

Play around with out put tests kind of nice option to use.
Good Luck
Update

I have performed suggest test and everything was clicking and buzzing except this one:

IDE00641-EVAP canister shut-off valve

I have tried running it twice but haven't heard anything!!

Any ideas? Thanks!
 
   #16  

superglue9009

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Yes sir !
I also have found out that EVAP Monitor is listed as not ready !
 
   #17  

vwtech

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I wouldn't worry about EVAP as of now no codes for it.
Have you cleared codes and do they return?
If SAI returns next is disconnect hose from SAI pump.
Run the pump again and feel if you have a large volume of air reaching Kombi valve.
Also use a mirror look into kombi valve and work it to see if it's open and closing.
But again clear codes does it return?

Good Luck
 
   #18  

superglue9009

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Yes I have cleared codes and they didn't return!

Okay sounds good thank you !!!
 
   #20  

superglue9009

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Update on code P0491

Unfortunately code did returned 😕
All off the testing that you guys suggested went well everything is working fine ✅

After driving the car for almost 70k car develop carbon buildup needs cleaning ugh
 
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