Head unit in '06 GTI - Battery drain issue

   #1  
V

vukasin

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Hello,

I am having the typical battery drain issue with my 2006 Golf GTI.

CAN Gateway has been changed twice, currently a 1K0 907 530AA is fitted and coded correctly (I think).
Previously I tried the 7N0 907 530J, but it had long coding issues and I couldn't get it to work, so I went back to the AA gateway.

In the car, after waiting for 5 minutes, I can still turn on the unit even with the key out and doors locked.
So the drain is still there. I have done a parasite drag test as well and it pulls about 0,5 amps with the upgraded unit fitted.
The unit fitted at the moment is the original RCD300. AutoScan was performed with it installed.

What could be wrong?
Please check the autoscan.

Sincerely,
Vuk

Code: 
VIN: WVWZZZ1KZ6P020134   Mileage: 206370km-128232miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- 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
25-Immobilizer -- 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
56-Radio -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
69-Trailer -- Status: Malfunction 0010
72-Door, Rear Right -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine        Labels:. 06F-907-115-AXX.clb
   Part No SW: 1K0 907 115 J    HW: 1K0 907 115 F
   Component: 2.0l R4/4V TFSI     0030 
   Revision: --H14---    Serial number: VWZ7Z0E3136723
   Coding: 0403000318070160
   Shop #: WSC 40510 222 81648
   VCID: 2D06F188A11E26D3C95-8078

2 Faults Found:
012599 - Intake Manifold Runner Control
               P3137 - 001 - Basic Setting not Completed - Intermittent
             Freeze Frame:
                    Fault Status: 00100001
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 206301 km
                    Time Indication: 0

             Freeze Frame:
                    RPM: 0 /min
                    Load: 0.0 %
                    Speed: 0.0 km/h
                    Temperature: 71.0°C
                    Temperature: 58.0°C
                    Absolute Pres.: 980.0 mbar
                    Voltage: 12.065 V

001602 - Sensor Reference Voltage A
               P0642 - 002 - Voltage too Low - Intermittent
             Freeze Frame:
                    Fault Status: 00100010
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 206301 km
                    Time Indication: 0

             Freeze Frame:
                    RPM: 0 /min
                    Load: 0.0 %
                    Speed: 0.0 km/h
                    Temperature: 71.0°C
                    Temperature: 58.0°C
                    Absolute Pres.: 980.0 mbar
                    Voltage: 12.065 V

Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 1K0-907-379-MK60-F.lbl
   Part No SW: 1K0 907 379 AA    HW: 1K0 907 379 AA
   Component: ESP FRONT MK60      0102 
   Revision: 00H13001   
   Coding: 0004738
   Shop #: WSC 00028 028 00001
   VCID: 71BE2DF87DA60233ADD-8024

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 1K0-907-044.lbl
   Part No: 1K0 907 044 BE
   Component: ClimatronicPQ35 090 0808 
   Shop #: WSC 00000 000 00000
   VCID: 6B823F905F8AE8E3971-803E

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels:. 3C0-937-049-23-H.lbl
   Part No SW: 3C0 937 049 E    HW: 3C0 937 049 E
   Component: Bordnetz-SG     H37 1002 
   Revision: 00H37000    Serial number: 00000003765369
   Coding: ED8F8F3700041800001400001400000000097F075C
   Shop #: WSC 00028 028 00001
   VCID: 2B02FF909F0A28E3D71-807E

   Subsystem 1 - Part No: 1K1 955 119 C  Labels: 1KX-955-119.CLB
   Component: Wischer VW350  013  0402 
   Coding: 00063445
   Shop #: WSC 00028 

   Subsystem 2 - Part No: 1K0 955 559 T  Labels: 1K0-955-559-AF.CLB
   Component: RegenLichtSens 011  1110 
   Coding: 00207646
   Shop #: WSC 00028 

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 1K0-909-605.lbl
   Part No SW: 1K0 909 605 R    HW: 1K0 909 605 R
   Component: 37 AIRBAG VW8   018 2200 
   Revision: 02018000    Serial number: 0038MD05369Q 
   Coding: 0013111
   Shop #: WSC 00028 028 00001
   VCID: 3B22CFD06F6AB863471-806E

   Subsystem 1 - Serial number: 6332MSME0D37213EE

   Subsystem 2 - Serial number: 6342MSME0D4B3516F

   Subsystem 3 - Serial number: 6352QSME03303D57B

   Subsystem 4 - Serial number: 6362QSME07493C3BR

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl
   Part No SW: 1K0 953 549 AG    HW: 1K0 953 549 AG
   Component: J0527           034 0070 
   Coding: 0002022
   Shop #: WSC 00028 028 00001
   VCID: 77AA13E013C25C03639-8022

   Subsystem 1 - Part No: XXXXXXXXXXX
   Component: E0221           007 0050

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 1K0-920-xxx-17.lbl
   Part No: 1K6 920 872 D
   Component: KOMBIINSTRUMENT VDD 4312 
   Coding: 0007103
   Shop #: WSC 80093 222 69422
   VCID: 323CE2F4B820792B947-8066

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels:. 1K0-907-530-V4.clb
   Part No SW: 1K0 907 530 AA    HW: 1K0 907 951
   Component: J533  Gateway   H07 0081 
   Revision:   H07 01    Serial number: 130709F1002407
   Coding: E9807F46000202000002
   Shop #: WSC 00066 123 12345
   VCID: 66944EA44468D58BC8F-8032

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
   Part No: 1K6 920 872 D
   Component: IMMO            VDD 4312 
   Shop #: WSC 00000 000 00000
   VCID: 323CE2F4B820792B947-8066

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver        Labels: 1K0-959-701-MIN2.lbl
   Part No: 1K0 959 701 K
   Component: Tuer-SG         024 2373 
   Coding: 0000180
   Shop #: WSC 00028 028 00001
   VCID: 3634DEE45448650BB8F-8062

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1Kx-909-144-G2V2.clb
   Part No: 1K1 909 144 K
   Component: EPS_ZFLS Kl.3   D06 1701 
   Shop #: WSC 00000 000 00000
   VCID: 3332E7F0473A70239F1-8066

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 1K0-959-433-MAX.clb
   Part No SW: 1K0 959 433 AR    HW: 1K0 959 433 AR
   Component: 01 KSG PQ35 G2  010 0101 
   Revision: 00010000    Serial number: 00000000000000
   Coding: 809002085103087F2D04840560084F00E0A440
   Shop #: WSC 00028 028 00001
   VCID: 0058783C460C1BBB523-8054

   Subsystem 1 - Component:   Sounder n.mounted     

   Subsystem 2 - Component:       NGS n.mounted     

   Subsystem 3 - Component:      IRUE n.mounted     

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass.        Labels: 1K0-959-702-MIN2.lbl
   Part No: 1K0 959 702 K
   Component: Tuer-SG         024 2373 
   Coding: 0000180
   Shop #: WSC 00028 028 00001
   VCID: 372AD3E053429C03A39-8062

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 1K0-035-1xx-56.lbl
   Part No: 1K0 035 186 P
   Component: Radio GR0       015 0019 
   Revision: 0001503S    Serial number: VWZ2Z2E3310458
   Coding: 0040400
   Shop #: WSC 00028 028 00001
   VCID: 3332E7F0473A70239F1-8066

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left        Labels: 1K0-959-703-GEN2.lbl
   Part No: 1K0 959 703 F
   Component: Tuer-SG         021 2429 
   Coding: 0000144
   Shop #: WSC 00028 028 00001
   VCID: 3332E7F0473A70239F1-8066

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer        Labels: 8P0-907-383.clb
   Part No SW: 8P0 907 383     HW: 8P0 907 383
   Component: ANHAENGERELEKTR H01 0010 
   Coding: 0000001
   Shop #: WSC 00000 000 00000
   VCID: 76B41EE414C8250B78F-8022

1 Fault Found:
16347 - Control Module - EEPROM Error
            014 - Defective
             Freeze Frame:
                    Fault Status: 01101110
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 262140 km
                    Time Indication: 0
                    Date: 2001.09.15
                    Time: 00:00:00


-------------------------------------------------------------------------------
Address 72: Door, Rear Right        Labels: 1K0-959-704-GEN2.lbl
   Part No: 1K0 959 704 F
   Component: Tuer-SG         021 2429 
   Coding: 0000144
   Shop #: WSC 00028 028 00001
   VCID: 3430E4EC4234771B86B-8060

No fault code found.

End----------(Elapsed Time: 01:02, VBatt start/end: 12.3V/12.2V)-----------
 
   #2  
V

vukasin

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Original CAN Gateway is a 1K0 907 530F
 
   #3  
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MartinsX

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In theory current drain may be caused by whatever reason, not only faulty GW or RCD unit.
And here in forum / over internet we can give only theoretical suggestions... In real life You should find the fault Yourself.
Disconnect Your RCD unit and measure current drain again. Do a long measurement. Not sure about 1K, but in 8P chassis it takes up to 30 min until all systems go to sleep/standby mode.
Try to disconnect towbar module/all wiring to towbar socket. This is the first thing I always suspect in cases of parasitic drain, especially if it is equipped with 13-pin socket with permanent battery + in it.
P.S. Haven't seen in RCD 300, but seen and repaired some times in RCD 510, that had unit does not follow IGN on/off signals and must be switched on and off manually each time. Problem is in faulty CAN interface chip and/or microprocessor input receiving on/off signals from that chip (components listed are inside RCD 510 unit).
Good luck!
 
   #4  
PetrolDave

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Normally the head unit can still be turned on at ant time even if the ignition has been off for a long time - so I would look elsewhere for the current drain.

Worth checking the voltage drop across fuses to see which circuit(s) are drawing the current?
 
   #5  
Uwe

Uwe

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@vukasin should probably have a look here:

The Best Way to Perform a Parasitic Draw Test

Not actually VCDS related, but the question comes up with some regularity, and it's difficult to explain in words, so I'm going to leave this here: ETA: Bentley Publishers also has a TSB that explains this here, which Jef posted way back in 2014. Direct download...
forums.ross-tech.com forums.ross-tech.com

-Uwe-
 
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