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Discussion Starter · #1 ·
Hi, Can one shed light on electrical issues?
All is well to start with, then instruments lights go out together with main beam head lights plus various others. If you switch off and start again then all is well for a while.

VCDS says ; Cent. Elects. 00455 control module for access and start and 004 no signal comm intermittet.
Steering wheel, ditto.
instruments, ditto and 00447 over voltage 001 upper limit exceeded.
CAN gateway, ditto.
I have not been messing with it and have replaced electrical components. No fuses are blown not even under seat.

Any ideas good people?
 

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The VW CAN Bus system is notorious for being sensitive to low voltage. Is there any chance your battery may be on the way out? I would, as a starting point, check the battery voltage with a good multimeter to see what you get with the engine off overnight. Should be above 12 Volts, I would be looking at something like 12.3 to 12.5 volts.

Just a thought.... not an answer.

Stuart...
 
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Discussion Starter · #3 ·
worth a try

Thanks Stuart,
Have tested battery and seems OK,
The issues seem to centre around the 00455 control module for access and start control, any one know where this is located?
Cheers Lawrie
 

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Thanks Stuart,
Have tested battery and seems OK,
The issues seem to centre around the 00455 control module for access and start control, any one know where this is located?
Cheers Lawrie
How old is the battery? How did you test it? The battery seems to be the #1 go-to solution to electrical problems in these vehicles. Make very sure the battery is good before you start replacing modules.
 

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Discussion Starter · #5 ·
Have now carefully checked battery and it tests fine, resting voltage 12.5, keeps above 8 volts whilst cranking and less than year old and starts no problem.

Engine running voltage rather low at 13.6 but it holds to that even with every electrical gadget on.

And here is a weird bit, the clock resets when the fault occurs, not too fussed about clock but it would be good to know how fast I am going, the joys of speed cameras.
 

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Discussion Starter · #7 ·
Good thinking, will see if it will attach, no will paste instead.

Saturday,07,May,2016,11:37:04:02999
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 15.7.4.1 (x64)
Data version: 20160216
Ross-Tech: Home


VIN: WVGZZZ7LZ8D043538 License Plate: DU09FYH



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


Chassis Type: 7L (6N0)
Scan: 01 02 03 05 08 09 15 16 17 18 19 22 37 46 56 68 69 76

VIN: WVGZZZ7LZ8D043538 Mileage: 132810km-82524miles

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: Sporadic communication error 1000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: Malfunction 0010
17-Instruments -- Status: Malfunction 0010
18-Aux. Heat -- Status: OK 0000
19-CAN Gateway -- Status: Malfunction 0010
22-AWD -- Status: OK 0000
37-Navigation -- Status: Malfunction 0010
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
68-Wiper Electr. -- Status: OK 0000
69-Trailer -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: OK 0000

-------------------------------------------------------------------------------
Address 01: Engine Labels: 059-907-401-ASB.clb
Part No SW: 7L0 907 401 F HW: 7L0 907 401 D
Component: 3.0L V6TDI G000AG 0040
Revision: --H05--- Serial number: VWX3Z0G1681844
Coding: 0011779
Shop #: WSC 31414 790 00001
VCID: 2E533446BA1CF24EDC-5140

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

-------------------------------------------------------------------------------
Address 02: Auto Trans Labels: 09D-927-750.lbl
Part No SW: 09D 927 750 FA HW: 09D 927 750 FA
Component: AL 750 6A 0992
Revision: 00H61000 Serial number:
Coding: 0004456
Shop #: WSC 31414 790 00001
VCID: 72EBE0366EA496AE78-5140

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 7L0-907-379-MK25E1.clb
Part No SW: 7L0 907 379 L HW: 7L0 907 379 L
Component: ESP ALLRAD MK25E1 0303
Revision: 00H53001
Coding: 0004354
Shop #: WSC 31414 790 00001
VCID: 428B70F61984662E28-8016

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth. Labels: 3D0-909-13x-05.lbl
Part No SW: 3D0 909 139 B HW: 5WK 485 04
Component: Kessy 6840
Revision: 68406620 Serial number: VWX3Z0G1681844
Coding: 0000232
Shop #: WSC 31414 790 00001
VCID: 285FC25E9FF8AC7E16-807C

Subsystem 1 - Part No: XXXXXXXXXXX
Component: ELV XXXX

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC Labels: 7L6-907-040.clb
Part No: 7L6 907 040 AF
Component: CLIMAtronic R/L 4331
Coding: 0000530
Shop #: WSC 31414 790 00001
VCID: 74E7E62E13B0989E6A-8020

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. Labels: 7Lx-937-049-V2.clb
Part No SW: 7L6 937 049 AF HW: 7L6 937 049 AF
Component: J519 2000
Revision: -0004--- Serial number: --------------
Coding: 600001002B001C000000000000000000
Shop #: WSC 31414 790 00001
VCID: 000FBAFE5708B43E7E-8054

1 Fault Found:
00455 - Control Module for Access and Start Control; Comfort CAN (J518)
004 - No Signal/Communication - Intermittent

-------------------------------------------------------------------------------
Address 15: Airbags Labels: 7L0-959-655.lbl
Part No SW: 7L0 959 655 HW: 7L0 959 655
Component: J234 37 VW8T 0250
Revision: 92011025 Serial number: 0039P003A31B
Coding: 0013111
Shop #: WSC 31414 790 00001
VCID: 7AFBC81631D4EEEE30-802E

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel Labels: 7L6-953-549.lbl
Part No: 7L6 953 549 F
Component: J527 3601
Coding: 0010011
Shop #: WSC 31414 790 00001
VCID: 428B70F61984662E28-8016

1 Fault Found:
00455 - Control Module for Access and Start Control; Comfort CAN (J518)
004 - No Signal/Communication - Intermittent

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 7L6-920-xxx-7L6.lbl
Part No SW: 7L6 920 985 Q HW: 7L6 920 985 Q
Component: J285 KOMBI-INST. 7520
Revision: KHH06V02
Coding: 0007401
Shop #: WSC 31414 790 00001
VCID: 4B955DD22ACEA766DB-801E

2 Faults Found:
00455 - Control Module for Access and Start Control; Comfort CAN (J518)
004 - No Signal/Communication - Intermittent
Freeze Frame:
Fault Status: 00100100
Fault Priority: 2
Fault Frequency: 1
Reset counter: 199
Mileage: 132816 km
Time Indication: 0
Date: 2016.05.06
Time: 00:00:04

00447 - Function Limitation due to Over-Voltage
001 - Upper Limit Exceeded - Intermittent
Freeze Frame:
Fault Status: 00100001
Fault Priority: 6
Fault Frequency: 3
Reset counter: 178
Mileage: 131086 km
Time Indication: 0
Date: 2016.03.02
Time: 09:47:11


-------------------------------------------------------------------------------
Address 18: Aux. Heat Labels: 7L6-819-008.lbl
Part No: 7L6 815 071 G
Component: Standheizung E1MAC 0425
Coding: 0000000
Shop #: WSC 31414 790 00001
VCID: 36631C26414CCA8E94-8062

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway Labels: 6N0-909-901-7L.clb
Part No SW: 6N0 909 901 HW: 7L6 920 985 Q
Component: J533 GW-K-CAN TP20 7520
Coding: 57E2E78B48056003
Shop #: WSC 31414 790 00001
VCID: 70EFEA3E63A8A4BE8E-8024

1 Fault Found:
00455 - Control Module for Access and Start Control; Comfort CAN (J518)
004 - No Signal/Communication - Intermittent
Freeze Frame:
Fault Status: 00100100
Fault Priority: 2
Fault Frequency: 1
Reset counter: 199
Mileage: 132816 km
Time Indication: 0
Date: 2016.05.06
Time: 00:00:04


-------------------------------------------------------------------------------
Address 22: AWD Labels: None
Part No: 0AD 927 755 BG
Component: TRANSFERCASE 0126
Shop #: WSC 00000 000 00000
VCID: 0109BFFA5B02BD3671-5140

No fault code found.

-------------------------------------------------------------------------------
Address 37: Navigation (J0506) Labels: 1T0-035-680.clb
Part No SW: 7L6 035 680 B HW: 7L6 035 680 A
Component: RNS-MID H04 1102
Revision: AB001001 Serial number: VWZ6Z7G9284051
Coding: 020004000400002200
Shop #: WSC 31414 790 00001
VCID: 31692F3A6822EDB6C1-8064

1 Fault Found:
00857 - CD Changer Unit (R41)
014 - Defective - Intermittent
Freeze Frame:
Fault Status: 00101110
Fault Priority: 5
Fault Frequency: 1
Reset counter: 192
Mileage: 132616 km
Time Indication: 0
Date: 2016.04.26
Time: 22:52:54


-------------------------------------------------------------------------------
Address 46: Central Conv. Labels: 7L0-959-933.lbl
Part No: 7L6 959 933
Component: 14 HSG 7124
Coding: 0000065
Shop #: WSC 31414 790 00001
VCID: 7F0D39022DF6CBC607-4B00

Subsystem 1 - Part No: 7L0 959 701 R
Component: Tuersteuergeraet FS 6302

Subsystem 2 - Part No: 7L0 959 702 R
Component: Tuersteuergeraet BF 6302

Subsystem 3 - Part No: 7L6 959 703
Component: Tuersteuergeraet HL 0202

Subsystem 4 - Part No: 7L6 959 704
Component: Tuersteuergeraet HR 0202

Subsystem 5 - Part No: 7L0 907 719 A
Component: Neigungssensor 0020

Subsystem 6 - Part No: 7L6 951 171 B
Component: Innenraumsensor 0020

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (J0506) Labels: 1T0-035-680.clb
Part No SW: 7L6 035 680 B HW: 7L6 035 680 A
Component: RNS-MID H04 1102
Revision: AB001001 Serial number: VWZ6Z7G9284051
Coding: 020004000400002200
Shop #: WSC 31414 790 00001
VCID: 31692F3A6822EDB6C1-8064

1 Fault Found:
00857 - CD Changer Unit (R41)
014 - Defective - Intermittent
Freeze Frame:
Fault Status: 00101110
Fault Priority: 5
Fault Frequency: 1
Reset counter: 192
Mileage: 132616 km
Time Indication: 0
Date: 2016.04.26
Time: 22:52:54


-------------------------------------------------------------------------------
Address 68: Wiper Electr. Labels: 7L0-955-119-V2.clb
Part No: 7L6 955 119 C
Component: J400__ Front Wiper 5301
Coding: 0001397
Shop #: WSC 31414 790 00001
VCID: 3A7B081675542EEE70-806E

Subsystem 2 - Part No: 1K0 955 559 AF Labels: 1K0-955-559-AF.CLB
Component: RLS 131107 046 0204
Coding: 00208933
Shop #: WSC 31414

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer Labels: 7L0-907-383-1D2.lbl
Part No SW: 7L0 907 383 L HW: 7L0 907 383 L
Component: J345 Anhaenger 0080
Revision: 4A014001 Serial number: 00000107896841
Coding: 0000001
Shop #: WSC 00000 000 00000
VCID: 3D71030A607A19D655-8068

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist Labels: Redir Fail!
Part No: 7L0 919 283 F
Component: 0E Einparkhilfe 1107
Shop #: WSC 00000 000 00000
VCID: 3979171A745225F679-806C

No fault code found.

End-------------------------(Elapsed Time: 03:08)--------------------------
 

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1,339 Posts
8 volts is not acceptable. Log during start. Anything below about 9.4 will set all kinds of faults. Replace that battery.
 
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