2017 Passat CC - Reverse Camera Control Module Replacement

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TooLittleTime

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Hello,

I am trying to find out if for a 2017 Passat CC, the reverse camera controller 3C8907441 has component protection.

Someone I know has had this unit fail, and have found a replacement, but not sure if its a simple swap or if CP is an issue.

I do know about calibration, and that it might require a visit to the dealer.

Replacement unit is:
3C8907441
H15
Software 0040
Manufactured: 2016

Any feedback is greatly appreciated.

Thanks in advance.
 
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TooLittleTime

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So now I am trying to do a bench test on a module with a spare gateway I have, but are running into an issue. Can't seem to get communication established with the 6C: Back-up Cam.

I include the scan below, with a spare 55 Headlight Range module connected to ensure gateway is working.

55 Headling Range - Powertrain CANBus
6C: Back-up Cam = Infotainment CANBus

Gateway infotainment CANBus: pin 10 and 20

For 6C, the connections are as follows:
Pin 39, 40: CANBus
Pin 44: GND
Pin 43: Power

It seems that it will pickup the status of the 6C: Back-up Cam as per below, but it can't make an actual direct connection.

Not sure if this is further coding that I am missing, or other.

Any info would be helpful.

Code: 
Monday,05,April,2021,14:08:32:06117
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
VCDS Version: 21.3.0.0 (x64)
Data version: 20210226 DS325.0
www.Ross-Tech.com

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

19-CAN Gateway -- Status: Malfunction 0010
55-Headlight Range -- Status: Malfunction 0010
6C-Back-up Cam. -- Status: Malfunction 0010
 
Chassis Type: 7N0
Scan: 19 55 6C


19-CAN Gateway -- Status: Malfunction 0010
55-Headlight Range -- Status: Malfunction 0010
6C-Back-up Cam. -- Status: Malfunction 0010
-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
   Part No SW: 7N0 907 530 AN    HW: 7N0 907 530 AN
   Component: J533  Gateway H56 1642 
   Revision:   H56       Serial number: 270314F2002671
   Coding: 469006
   Shop #: WSC 12345 123 12345
   VCID: 7CF7E064FFFC826B9F-8028

1 Fault Found:
01336 - Company Data Bus for Comfort System
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01100100
                    Fault Priority: 1
                    Fault Frequency: 1
                    Reset counter: 31
                    Time Indication: 0


-------------------------------------------------------------------------------
Address 55: Headlight Range (J745)       Labels:. 5M0-907-357-V3.clb
   Part No SW: 5M0 907 357 F    HW: 7L6 907 357 C
   Component: AFS-ECU       H05 0111 
   Revision: --------    Serial number: --------------
   Coding: 0000000000000000
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_HeadlRegulVWAFSPt 002016
   ROD: EV_HeadlRegulVWAFSPt_VW32.rod
   VCID: 377D3F488E5A613332-8062

10 Faults Found:
10490624 - No End-of-Line Programming
          B2013 00 [137] - -
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 1
                    Fault Frequency: 1
                    Reset counter: 31
                    Mileage: 0 km
                    Date: 2000.00.00
                    Time: 00:00:00

13636352 - Control module not coded
          U1013 00 [137] - -
          [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 1
                    Fault Frequency: 1
                    Reset counter: 31
                    Mileage: 0 km
                    Date: 2000.00.00
                    Time: 00:00:00

5276144 - Power Output Module for Left Headlamp
          C1081 F0 [009] - Not Coded
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 31
                    Mileage: 0 km
                    Date: 2000.00.00
                    Time: 00:00:00

5276400 - Power Output Module for Right Headlamp
          C1082 F0 [009] - Not Coded
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 31
                    Date: 2000.00.00
                    Time: 00:00:00

5275220 - Headlight
          C107E 54 [137] - Missing Calibration / Basic Setting
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 1
                    Fault Frequency: 1
                    Reset counter: 31
                    Date: 2000.00.00
                    Time: 00:00:00

13679104 - Local Data Bus
          U10BA 00 [137] - No Communication
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 2
                    Reset counter: 31
                    Mileage: 0 km
                    Date: 2000.00.00
                    Time: 00:00:00

5275648 - Left/Right Driving Switch-Over Active
          C1080 00 [009] - -
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 1
                    Reset counter: 31
                    Mileage: 0 km
                    Date: 2000.00.00
                    Time: 00:00:00

13705472 - Databus
          U1121 00 [137] - Missing Message
          [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 1
                    Reset counter: 31
                    Mileage: 0 km
                    Date: 2000.00.00
                    Time: 00:00:00

13705474 - Databus
          U1121 00 [137] - Missing Message
          [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 1
                    Reset counter: 31
                    Mileage: 0 km
                    Date: 2000.00.00
                    Time: 00:00:00

13705475 - Databus
          U1121 00 [137] - Missing Message
          [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
          MIL ON - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 1
                    Reset counter: 31
                    Mileage: 0 km
                    Date: 2000.00.00
                    Time: 00:00:00


-------------------------------------------------------------------------------
Address 6C: Back-up Cam.
Cannot be reached

End-------------------------(Elapsed Time: 00:50)--------------------------
 
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TooLittleTime

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No comments, not even from Ross Tech?
 
   #6  
DV52

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@TooLittleTime: OOOhhhh........ a test bench with a high-line reverse camera ? Very fancy indeed - even if it won't do much without a J794 module, I'm envious!!

I assume J772 has been correctly registered in the CAN Gateway installation list?
Maybe check CAN polarity on hex 6C connector (CAN high and CAN low pins correctly aligned with pins on hex19 module)?
Does your version of J772 need a wake-up signal - perhaps a CAN message from the ignition key mechanism, or a T15 signal?

Don
 
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   #7  
Uwe

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TooLittleTime said:
No comments, not even from Ross Tech?
Click to expand...
The only comment I have is that we've never tried to build a bench test setup for a back-up camera. ;)

-Uwe-
 
   #8  
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TooLittleTime

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DV52 said:
@TooLittleTime: OOOhhhh........ a test bench with a high-line reverse camera ? Very fancy indeed - even if it won't do much without a J794 module, I'm envious!!

I assume J772 has been correctly registered in the CAN Gateway installation list?
Maybe check CAN polarity on hex 6C connector (CAN high and CAN low pins correctly aligned with pins on hex19 module)?
Does your version of J772 need a wake-up signal - perhaps a CAN message from the ignition key mechanism, or a T15 signal?

Don
Click to expand...

Thanks for the reply.

Answers are as follows:
"I assume J772 has been correctly registered in the CAN Gateway installation list?"
1) Yes gateway is correctly coded

"Maybe check CAN polarity on hex 6C connector (CAN high and CAN low pins correctly aligned with pins on hex19 module)?"
2) CAN Bus polarity has been verified. VCDS will show the module listed with maulfunctions in gateway list, but the second you try communcation or scan, it will say the module is not reachable.

"Does your version of J772 need a wake-up signal - perhaps a CAN message from the ignition key mechanism, or a T15 signal?"
3) You might be onto something here, as it might just need a specific wakeup CAN message to start responding. The strange thing with that is the current consumption is around 250mA, so that would almost make me think its wide awake. I will see if there is anyway I can test this in a vehicle. I know that for most modules you can do a bench test, so thought why not. Also heard that you need to code the gateway on PQ35/7N0 to offroad. All of this sort of being confirmed while trying this out.

Re J794 - I think you are referring to MQB. I am testing on PQ35.

It must be something simple, or perhaps a wake signal/wire directly from head unit.

Open to any other suggestions, and will see what I can do to try #3.
 
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   #9  
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TooLittleTime

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Uwe said:
The only comment I have is that we've never tried to build a bench test setup for a back-up camera. ;)

-Uwe-
Click to expand...
Appreciate the response, thanks!
 
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