2015 A6 C7 TDI | resync key fob after dead fob battery

   #1  

jd_ca

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VCDS Serial number
C?ID=381721
One of my two fob keys was missing and had a fully drained battery. The car has the KESSY start system so I was hoping to resync the fob with a fresh battery following this procedure
http://wiki.ross-tech.com/wiki/index.php/Immobilizer_III_Key_Matching_(Kessy)

Am I understanding correctly only dealers can resync the fob because the PIN is NOT made available to owners?

For reference below is the latest auto scan.

Code:
Tuesday,22,October,2019,20:13:26:24895
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 19.6.2.0 (x64)  HEX-V2 CB: 0.4508.4
Data version: 20190930 DS308.0
www.Ross-Tech.com


VIN: WAUHMAFC9FN036342   License Plate: 


Chassis Type: FC-AU57 (4G0)
Scan: 01 02 03 05 08 09 10 15 16 17 19 28 36 3B 3C 42 44 46 47 52
          53 55 56 5F 62 6C 72 82 8F 90 AC

VIN: WAUHMAFC9FN036342   Mileage: 100465km-62426miles

01-Engine -- Status: OK 0000
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
10-Park/Steer Assist -- 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
28-HVAC, Rear -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
3B-Sensor Elect. -- Status: OK 0000
3C-Lane Change -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
82-Heads Up Display -- Status: OK 0000
8F-Pretens. Frt Left -- Status: OK 0000
90-Pretens. Frt Right -- Status: OK 0000
AC-Reductant Control -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CPNB)       Labels:. 059-907-401-V2.clb
   Part No SW: 4G0 907 401 N    HW: 4G0 907 401 E
   Component: 3.0TDI EDC17  H14 0004  
   Revision: 58H14---    
   Coding: 0A2A4012052601050000
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_ECM30TDI0114G0907401N 001005
   ROD: EV_ECM30TDI0114G0907401N_001.rod
   VCID: 2E050E4F509156876BB-807A

No fault code found.
Readiness: 0 0 0 0 0 

-------------------------------------------------------------------------------
Address 02: Auto Trans (J217)       Labels:| 0BK-927-156.clb
   Part No SW: 4G0 927 158 Q    HW: 0BK 927 156 AM
   Component: 0BK 30 TDIUSA H19 1005  
   Revision: --H19---    
   Coding: 000001
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_TCMAL551211 002022
   ROD: EV_TCMAL551211_002_AU48.rod
   VCID: 3C21340796EDB417D5F-8068

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 4G0-907-379-V1.clb
   Part No SW: 4G0 907 379 L    HW: 4G0 907 379 L
   Component: ESP PREMIUM   H09 0450  
   Revision: --------    Serial number: --------------
   Coding: 27A79701E4E5E9804B00
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_ESPPremiAU57X 004039
   ROD: EV_ESPPremiAU57X_004_AU57.rod
   VCID: 3A2D321F9CD98A27C73-806E

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
   Part No SW: 4H0 907 064 FR    HW: 4H0 907 064 ER
   Component: BCM2 2.0      H36 0560  
   Revision: 00002001    
   Coding: 0DA82046000000000000
   Shop #: WSC 02391 785 00200
   VCID: 7EA5FE0FC0F16607BBB-802A

   Subsystem 2 - Part No SW: 4H0 905 852 C    HW: 4H0 905 852 C
   Component: J764 ELV MLB  H40 0046 
   Serial number: 3214000112360008    

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:| 4G0-820-043-4Z.clb
   Part No SW: 4G0 820 043 AN    HW: 4G0 820 043 AN
   Component: KLIMA 4 ZONEN H14 0096  
   Serial number: 05111400040747
   Coding: 368120BA59
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_AirCondiComfoUDS 004003
   ROD: EV_AirCondiComfoUDS_004.rod
   VCID: 6B83C75BA303E3AF0C5-803E

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 4H0-907-063-V1.clb
   Part No SW: 4H0 907 063 CG    HW: 4H0 907 063 
   Component: BCM1 2.0      H12 0130  
   Revision: 11012002    Serial number: 00000001820689
   Coding: 09072091073C9FE081000884A0003800CF9CD208A60802258001085C7B00
   Shop #: WSC 02391 785 00200
   VCID: 6FBBD34B979B1F8F20D-803A

   Subsystem 1 - Part No SW: 4G1 955 119     HW: 4G8 955 119   Labels: 1KX-955-119.CLB
   Component: WWS57X 141024  H37 0080 
   Serial number:         141027100034
   Coding: 0045F7

   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: 23403610            
   Coding: 02006D

   Subsystem 3 - Part No SW: 4G0 941 531 AN    HW: 4G0 941 531 AN
   Component: E1 - LDS  H07 0044 
   Serial number: 03 11 2014  00000400

   Subsystem 4 - Part No SW: 4G0 907 410 A    HW: 4H0 907 410 A
   Component: USHL4.2  H30 0030 
   Serial number: 00000000095Z01CE5A54

   Subsystem 5 - Part No SW: 8K0 959 772 E    HW: 8K0 959 772 
   Component: SLR-B8  H06 0007 
   Serial number:           0123371102
   Coding: 853000

   Subsystem 6 - Part No SW: 4H0 907 472 B    HW: 4H0 907 472 B
   Component: A31 LED Mod1L  H03 0006 
   Serial number: 00000031101400010438
   Coding: 110000

   Subsystem 7 - Part No SW: 4H0 907 472 B    HW: 4H0 907 472 B
   Component: A27 LED Mod1R  H03 0006 
   Serial number: 00000003111400010128
   Coding: 110000

   Subsystem 8 - Part No SW: 4H0 907 705 K    HW: 4H0 907 705 C
   Component: EVLS-SG  H08 0300 
   Serial number: WA109325000009945973
   Coding: 020300

   Subsystem 9 - Part No SW: 4H0 907 658     HW: 4H0 907 658 
   Component: AQ_Hum_Sensor  H03 0003 
   Serial number: E3888757000000000001

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J446)       Labels:| 4H0-919-475-7X2.clb
   Part No SW: 4H0 919 475 AA    HW: 4H0 919 475 AG
   Component: PARKHILFE ACC H01 0083  
   Revision: 11001001    Serial number: 61061430500263
   Coding: A8C306
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_EPHVA18AU57X0000 004009
   ROD: EV_EPHVA18AU57X0000_004.rod
   VCID: 71BFD533812F097F369-8024

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:* 4H0-959-655.clb
   Part No SW: 4G0 959 655 B    HW: 4G0 959 655 B
   Component: Airbag10.43   H62 0086  
   Revision: --------    Serial number: 003G0001KZD2
   Coding: 303331343131303134354A55304C34473053
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_AirbaAU10BPAAU64X 001014
   ROD: EV_AirbaAU10BPAAU64X_VW51.rod
   VCID: 34311C27BEBD7C571DF-8060

   Seat occupied recognition: 
   Subsystem 1 - Part No SW: 5C6 959 339 B    HW: 5C6 959 339 B
   Component: BF-Gewichtss.  H10 0046 
   Serial number: 6940000Y1400018UBD0Z

   Crash sensor for side airbag: driver side: 
   Serial number: 3575HRB405F2R8PA70BH

   Crash sensor for side airbag: front passenger side: 
   Serial number: 3585HRB40672RDNSBHTS

   Crash sensor for side airbag: rear: driver side: 
   Serial number: 3515JRB404R31R1Q59OU

   Crash sensor for side airbag: rear: passenger side: 
   Serial number: 3525JRB406332020GGJE

   Crash sensor for front airbag: driver side: 
   Serial number: 3554VRB405332IIG2H24

   Crash sensor for front airbag: front passenger side: 
   Serial number: 3564VRB405332IIG7H6E

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:. 4H0-953-568.clb
   Part No SW: 4H0 953 568 H    HW: 4H0 953 568 H
   Component: Lenks.Modul   H04 0005  
   Revision: --------    Serial number: 90372NK70000I 
   Coding: 000434
   Shop #: WSC 02391 785 00200
   VCID: 38292817A2559837317-806C

   Subsystem 1 - Part No SW: 4H0 951 528 E    HW: 4H0 951 528 E
   Component: E221 - MFL  H08 0010 
   Serial number: 16 10 2014  10046379

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 4H0-920-xxx-17.clb-SRI1
   Part No SW: 4G8 920 984     HW: 4G8 920 984 
   Component: TDieUsa   Nv  H58 0622  
   Revision: 29460237    Serial number: 658301014596006
   Coding: 0BE60A040B41D705020000
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_RBD4K 004048
   ROD: EV_RBD4K_AU57.rod
   VCID: 73B3DF3BFB333B6FC45-8026

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:* None
   Part No SW: 4G0 907 468 AD    HW: 4G0 907 468 AC
   Component: J533--Gateway H13 0050  
   Revision: --------    Serial number: 00000001620789
   Coding: 00CD077D00
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_GatewPkoUDS 001019
   ROD: EV_GatewPkoUDS_001_AU57.rod
   VCID: 72BDDA3F84293267CF3-8026

   Battery Monitoring Control Module: 
   Subsystem 1 - Part No SW: 8T0 915 181     HW: 8T0 915 181 
   Component: J367-BDMHella  H03 8041 
   Serial number: 4120824803          

   Voltage stabilizer: 
   Subsystem 2 - Part No SW: 8K0 959 663 F    HW: 8K0 959 663 
   Component: J532_DCDCStab  H23 0021 
   Serial number: 140830000000000004DF

No fault code found.

-------------------------------------------------------------------------------
Address 28: HVAC, Rear (E265)       Labels:* 4G0-919-158.clb
   Part No SW: 4G0 919 158 N    HW: 4G0 919 158 N
   Component: KLIMA FOND    H08 0096  
   Serial number: 03111400040635
   Coding: 20
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_ClimaContrUnitRearUDS 004002
   ROD: EV_ClimaContrUnitRearUDS_003.rod
   VCID: 3A2D321F9CD98A27C73-806E

No fault code found.

-------------------------------------------------------------------------------
Address 36: Seat Mem. Drvr (J136)       Labels: None
   Part No SW: 4G8 959 760 A    HW: 4G8 959 760 A
   Component: MEM-FS        H03 0157  
   Revision: AA000000    Serial number: 00000122554235
   Coding: C0581B008F006001000001010101102030303232203232
   Shop #: WSC 02391 785 00200
   VCID: 38292817A2559837317-806C

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: EJ1BPA720DDLEL
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_SARA2 005012
   ROD: EV_SARA2.rod
   VCID: 33331F3BBBB37B6F045-8066

No fault code found.

-------------------------------------------------------------------------------
Address 3C: Lane Change        Labels: Redir Fail!
   Part No SW: 4G0 907 566 D    HW: 4G0 907 566 
   Component: J769  SWA MasterH05 0060  
   Revision: 00H05000    Serial number: 6PZ 010 287-03
   Coding: 0000001
   Shop #: WSC 02391 785 00200
   VCID: 3039103746254077797-8064

   Subsystem 1 - Part No: 4G0 907 568 D
   Component: J770  SWA Slave H05 0060

   Subsystem 2 - Serial number: 6PZ 010 287-23

   Subsystem 3 - Serial number: 5F02.11.1400H05000AMS14243ÿ

   Subsystem 4 - Serial number: S14243ÿ

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 0507  
   Revision: --------    Serial number: --------------
   Coding: 011F17005E00628002000012
   Shop #: WSC 02391 785 00200
   VCID: 47CB5BEBDFABE7CF48D-8012

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 4G0-909-144.clb
   Part No SW: 4G0 909 144 M    HW: 4G0 909 144 G
   Component: RCEPS         H41 0011  
   Revision: 00001000    Serial number: 0022124827
   Coding: 101000010000
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_RCEPS 009010
   ROD: EV_RCEPS_009.rod
   VCID: 33331F3BBBB37B6F045-8066

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv. (J393)       Labels:. 4H0-907-064-46.clb
   Part No SW: 4H0 907 064 FR    HW: 4H0 907 064 ER
   Component: BCM2 2.0      H36 0560  
   Revision: 00002001    Serial number: 0351681250    
   Coding: 0106023A00FA418580A0088402070E470000000000000000000000000000
   Shop #: WSC 02391 785 00200
   VCID: 7EA5FE0FC0F16607BBB-802A

   Subsystem 1 - Part No SW: 4G0 959 719     HW: 4G0 959 719 
   Component: GTO BF  H01 0081 
   Serial number: 00000000000000254360

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

   Subsystem 3 - Part No SW: 4G8 959 591     HW: 7P0 959 591 C
   Component: J245 PS40.039  H01 0008 
   Serial number:     WOO33782377     
   Coding: 101F00

   Subsystem 4 - Part No SW: 4G0 947 135 G    HW: 4G0 947 135 
   Component: Dachelektroni  H10 0100 
   Serial number: 0000000AP00010086144
   Coding: 010000

   Subsystem 5 - Part No SW: 3AA 962 243 D    HW: 3AA 962 243 D
   Component: GEB.F.Heckoef  H16 0811 
   Serial number: 93369213            

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System (J525)       Labels: None
   Part No SW: 4G0 035 465 C    HW: 4G0 035 465 B
   Component: BO G3 C7      H09 0160  
   Revision: 11000000    Serial number: 0020767       
   VCID: 2517F16305E715DF9A1-8070

   Subsystem 1 - Part No SW: 4G0 035 466     HW: 4G0 035 466 
   Component: BO C7 SLAVE  H51 0100 
   Serial number: 02207140028422      

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 0507  
   Revision: --------    Serial number: --------------
   Coding: 011F17005E00628002000002
   Shop #: WSC 02391 785 00200
   VCID: 46D556EFD8A1FEC7B3B-8012

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: 00000001259358
   ASAM Dataset: EV_ParkiBrake 001028
   ROD: EV_ParkiBrake_VW51.rod
   VCID: 2D0709435D972D9F521-8078

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range (J431)       Labels:| 8X0-907-357.clb
   Part No SW: 4H0 907 357 B    HW: 4H0 907 357 B
   Component: ....LWR12.... H02 0010  
   Serial number: 141106-0001-061
   Coding: 1221A6601002A500
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_HeadlRegulBasic 005001
   ROD: EV_HeadlRegulBasic.rod
   VCID: 2D0709435D972D9F521-8078

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (R)       Labels: Redir Fail!
   Part No SW: 4G0 035 082 G    HW: 4G0 035 082 
   Component: Radio U SIRIU H60 0133  
   Revision: AB001007    Serial number: 156K60E8091558
   Coding: 020007010000000001
   Shop #: WSC 02391 785 00200
   VCID: 2411EC670EDDECD78DF-8070

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:. 4E0-035-6xx-5F.clb
   Part No SW: 4G0 035 746 H    HW: 4G0 035 746 E
   Component: H-BNT-NA      H41 0902  
   Revision: --------    Serial number: 194K%0EB011392
   Coding: 050200000003E5EF55128B1E00000003100001000000000000
   Shop #: WSC 02391 785 00200
   VCID: 2C010447660D249745F-8078

   Subsystem 1 - Part No: 8R0 060 884 CJ
   Component: NAR 2015  1102 

   Subsystem 2 - Part No SW: 4G0 919 605 C    HW: 4G0 919 605 C
   Component: DU8 C7 SV  H43 0021 
   Serial number: AUZ8ZDED005VRQW     

   Subsystem 3 - Part No SW: 4G1 919 612 Q    HW: 4G1 919 612 Q
   Component: E380 BDT C7  H11 0204 
   Serial number: 90349NJV000DF       

   Subsystem 4 - Part No: 8R0 060 961 G
   Component: CD-Database  5950 

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 0507  
   Revision: --------    Serial number: --------------
   Coding: 010F17004000628002000002
   Shop #: WSC 02391 785 00200
   VCID: 49CF5DD3C9BF11BF5E9-801C

No fault code found.

-------------------------------------------------------------------------------
Address 6C: Back-up Cam.        Labels: 4H0-907-441.clb
   Part No SW: 4G0 907 441 B    HW: 4H0 907 441 
   Component: SG Rueckfahrkamera  0061  
   Revision: --H08---    Serial number: 525 PA8J4XG7AA
   Coding: 1080004
   Shop #: WSC 02391 785 00200
   VCID: 2615F66F74E11EC793B-8072

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 0507  
   Revision: --------    Serial number: --------------
   Coding: 010F17004000628002000002
   Shop #: WSC 02391 785 00200
   VCID: 49CF5DD3C9BF11BF5E9-801C

No fault code found.

-------------------------------------------------------------------------------
Address 82: Heads Up Display (J898)       Labels:| 4G0-919-604.clb
   Part No SW: 4G0 919 604 K    HW: 4G0 919 604 K
   Component: HeadUpDisplay 007 0203  
   Revision: 00000000    Serial number: 00000000000000
   Coding: A20000
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_HUDContiC7 001023
   ROD: EV_HUDContiC7.rod
   VCID: 33331F3BBBB37B6F045-8066

No fault code found.

-------------------------------------------------------------------------------
Address 8F: Pretens. Frt Left (J854)       Labels: 4H0-980-94x-RGS.clb
   Part No SW: 4H0 980 945 B    HW: 4H0 980 945 C
   Component: RGS-VL        H13 0080  
   Coding: 0006E008031F0300070308014244CA010000
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_RGS_L 002004
   ROD: EV_RGS_L.rod
   VCID: 313F153341AF497F769-8064

No fault code found.

-------------------------------------------------------------------------------
Address 90: Pretens. Frt Right (J855)       Labels: 4H0-980-94x-RGS.clb
   Part No SW: 4H0 980 946 B    HW: 4H0 980 946 C
   Component: RGS-VR        H13 0080  
   Coding: 0006E008031F0300070308014244CA010000
   Shop #: WSC 02391 785 00200
   ASAM Dataset: EV_RGS_R 002004
   ROD: EV_RGS_R.rod
   VCID: 323D1A3F44A972670F3-8066

No fault code found.

-------------------------------------------------------------------------------
Address AC: Reductant Control (J880)       Labels: 4G0-907-355.clb
   Part No SW: 4G0 907 355 C    HW: 4G0 907 355 B
   Component: SCR-Stg-G2    H10 0010  
   Revision: 00000000    Serial number: 142940718
   ASAM Dataset: EV_RDCMA00100 008040
   ROD: EV_RDCMA00100_008.rod
   VCID: 2B03075B638323AF4C5-807E

No fault code found.

End----(Elapsed Time: 02:46, VBatt start/end: 11.9V/11.9V. VIgn 11.9V)-----
An earlier scan had this error

Code:
Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
   Part No SW: 4H0 907 064 FR    HW: 4H0 907 064 ER
   Component: BCM2 2.0      H36 0560  
   Revision: 00002001    
   Coding: 0DA82046000000000000
   Shop #: WSC 02391 785 00200
   VCID: 7EA5FE0FC0F16607BBB-802A

   Subsystem 2 - Part No SW: 4H0 905 852 C    HW: 4H0 905 852 C
   Component: J764 ELV MLB  H40 0046 
   Serial number: 3214000112360008    

1 Fault Found:
00956 - Key 2 
            002 - Lower Limit Exceeded
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 3
                    Fault Frequency: 1
                    Reset counter: 100
                    Mileage: 89469 km
                    Time Indication: 0
                    Date: 2018.09.23
                    Time: 10:29:41
 
   #2  

Uwe

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Am I understanding correctly only dealers can resync the fob because the PIN is NOT made available to owners?
You're looking at Immo-3 instructions; this car is way beyond Immo-3.

Even if the PIN were available, it wouldn't be sufficient to match a key to one of these cars. It's a challenge/response mechanism now. The challenge (from the car) changes every time the ignition is cycled, and the only place the algorithm exists to generate the response from the challenge is on the factory's servers.

That said, I would think that a key that previously worked and only stopped working due to disuse and a dead battery should work again once it has a good battery. If it doesn't, my guess is the key is defective.

-Uwe-
 
   #3  

jd_ca

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Location
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VCDS Serial number
C?ID=381721
Thank you for your education Uwe. I'm new to the audi/vw world and couldn't find resync instructions for my model.

The fob was laying in the car between the seat and center console for 3+ months and was working fine before. I tried 2 new batteries today but the key isn't recognized. When I hit the start button, the LED in the bad FOB lights up briefly.

I'll give it a shot a the dealer. Reprogramming is $110 and I hope to avoid the $350 replacement key.

Thank you.
 
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Uwe

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I'll give it a shot a the dealer. Reprogramming is $110 and I hope to avoid the $350 replacement key.
I can't say I blame you for that.

Make sure you take all your keys to the dealer. If any key gets programmed, they all need to be programmed. If one missed, it will no longer work. I do not know if your car came with a separate valet key, but it's one people often miss.

Oh, and when they give you the car back, make sure to test all the keys individually. That means leave all but one a goodly distance away and make sure the one you're testing unlocks, starts, and locks the car. At least that's what I do. "Trust, but verify!" :)

-Uwe-
 
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jd_ca

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Just closing the loop on this. The dealer was able to reprogram the dead fob. Lesson learned: don't loose your key between the seat and the transmission tunnel. :(
 
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