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Old 10-02-2017, 08:04 PM
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Default Volkswagen Family Parts

The phone control module on my 2012 Bentley Continental GT apparently failed and needs to be replaced. When I pulled the VAGCOM fault codes this is what I got:
"
Address 77: Telephone (J412) Labels: 3C8-035-730-A.clb
Part No SW: 3D0 035 730 A HW: 3W3 035 730 A
Component: Telefon 010 0422
Revision: -------- Serial number: 35909603107760
Coding: 020002010100010000000000
Shop #: WSC 00083 790 00191
ASAM Dataset: EV_UHVPremiPhaet A01002
ROD: EV_UHVPremiPhaet.rod
VCID: 1A3BA7EF1DA6D79664-804E

1 Fault Found:
13893632 - Function Restricted due to Insufficient Voltage
U1400 00 [008] - -
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 2
Reset counter: 61
Mileage: 44257 km
Date: 2017.08.09
Time: 10:42:09
"

What's the difference between the SW part number and the HW part number? When I looked up the SW part I got a control module from a latest generation Phaeton costing about $900, but when I went to Bentley they wanted $4700 for what I'm guessing is the HW part. Does anyone have any idea if the SW part and the HW part would be interchangeable? I know Volkswagen/Audi/Bentley share a lot of parts and I'd rather not pay $4700 for something that should cost no more than $900...

Thanks in advance!
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Old 10-03-2017, 05:23 AM
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First posts normally go in introductions else you could get a free fix and we never see you again!!!

VAG Error Code: 16387/16640/1048580/131586/13893632/0628/10810/1539/0142/0462
EOBD II Error Code: U1400

Fault Location:
Function Restricted due to Insufficient Voltage - Intermittent - Confirmed - Tested Since Memory Clear

Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.
System Malfunction.

Battery Voltage too Low.
Fuse(s).

Possible Solutions:
Check/Replace Fuse(s).
Check/Replace Battery.
Check/Replace Generator.

Special Notes:
This Fault Code is a note which normally indicates a temporary Low Voltage Situation and unless it occurs regularly it shouldn't be of concern.


As taken from my new EOBD II Fault Codes Software

Please tell us your car spec in your signature
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Old 10-03-2017, 01:47 PM
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Thanks for the information. I took the car to Bentley and they said that it needed a new module. I spent the entire weekend running a battery of tests to see if the batteries were at fault including testing with my other car's relatively new battery and had no luck. I checked the fuses and still no problems there, so I'm guessing either it's a wiring issue or a genuinely dead module. I'm curious if it's possible to exchange the SW and HW parts?


Quote:
Originally Posted by Keithuk View Post
First posts normally go in introductions else you could get a free fix and we never see you again!!!

VAG Error Code: 16387/16640/1048580/131586/13893632/0628/10810/1539/0142/0462
EOBD II Error Code: U1400

Fault Location:
Function Restricted due to Insufficient Voltage - Intermittent - Confirmed - Tested Since Memory Clear

Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.
System Malfunction.

Battery Voltage too Low.
Fuse(s).

Possible Solutions:
Check/Replace Fuse(s).
Check/Replace Battery.
Check/Replace Generator.

Special Notes:
This Fault Code is a note which normally indicates a temporary Low Voltage Situation and unless it occurs regularly it shouldn't be of concern.


As taken from my new EOBD II Fault Codes Software

Please tell us your car spec in your signature

2012 Bentley Continental GT 6.0L W12
2008 Audi A8 4.2L V8
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Old 10-04-2017, 06:08 AM
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I see you've asked about this.

Exchanging SW and HW Parts?
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