2005 Transporter T5 AC not working

   #1  

Cargeorge

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Hi all,
new member has problems with a T5

History is that the cluster (immobilizer) died and has been replaced with a used part along with ECU, Key Barrel and BCM from the same donor.
Now that the van is running again the AC is not working anymore (clutch does not engage).
As I can not even get into the AC control module (08 on VCDS main menu not responding) my uneducated guess is that the donor van had an automatic AC as my problem van has only manual AC.
I tried to recode as explained in the Ross Tech "Recode Tour" but there was no balloon popping up with the ECU coding options.
The code is 0000031 and I tried anyway to change to 0100031 but the ECU did not accept.
What else could I try or am I completely on the wrong track?

Any suggestions are very welcome.
Thanks Cargeorge


Code:
Thursday,09,April,2020,09:46:03:42134
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 20.4.0.1 (x64)
Data version: 20200331 DS317.0
www.Ross-Tech.com


VIN: WV1ZZZ7HZ5H011843   License Plate: 000MAD
Mileage: 222810km-138447mi   Repair Order: 



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


Chassis Type: 7H (7H - VW Transporter/Multivan (2003 > 2010))
Scan: 01 02 03 08 09 0B 0D 15 16 17 18 19 1C 22 2D 37 45 46 47 56
          57 6E 76 77 78 7D
 
VIN: WV1ZZZ7HZ5H011843   Mileage: 222810km-138447miles
-------------------------------------------------------------------------------
Address 01: Engine        Labels: None
   Part No: 06A 906 032 DB
   Component: 2.0l R4/2V HS M5    5852  
   Coding: 0000031
   Shop #: WSC 02756 785 00200
   VCID: 61C94D63BBED3C8E6D-5124

1 Fault Found:
17850 - Potentiometer for EGR (G212) 
            P1442 - 001 - Signal too High
Readiness: 1110 1101

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 7H0-907-37x-ASR-F.lbl
   Part No: 7H0 907 379 G
   Component: ASR FRONT MK25      0103  
   Coding: 0007206
   Shop #: WSC 02756 785 00200
   VCID: 3979C50373FD044E05-5124

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels:. 7H0-937-049.lbl
   Part No: 7H0 937 049 K
   Component: BORDNETZ SGVER 1.0  1901  
   Coding: 0001125
   Shop #: WSC 02760 785 00200
   VCID: 3A7BDA0F76FB0F560C-5124

2 Faults Found:
01331 - Door Control Module; Driver Side (J386) 
            004 - No Signal/Communication
01330 - Central Control Module for Central Convenience (J393) 
            004 - No Signal/Communication - Intermittent

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 6Q0-909-605-VW5.lbl
   Part No: 1C0 909 605 A
   Component: 3B AIRBAG VW51      0008  
   Coding: 13122
   Shop #: WSC 02756  
   VCID: 224B026FAE6B679634-5124

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 7Hx-920-xxx-17.lbl
   Part No: 7H0 920 851 
   Component: KOMBI+WEGFAHRSP VDO V02  
   Coding: 03701
   Shop #: WSC 43039  
   VCID: 68DF504708D74DC6AA-5106
   WV1ZZZ7HZ5H011843     VWZ7Z0D0086131

2 Faults Found:
01336 - Company Data Bus for Comfort System 
            80-10 - Single-Wire Operation - Intermittent
01322 - Control Module for Multi-Function Unit (MFA) (J501) 
            49-10 - No Communications - Intermittent

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels: 6N0-909-901-19.lbl
   Part No: 6N0 909 901 
   Component: Gateway K<->CAN    0001  
   Coding: 00006
   Shop #: WSC 02760  
   VCID: 70EF382730078506F2-5124

4 Faults Found:
01336 - Company Data Bus for Comfort System 
            80-10 - Single-Wire Operation - Intermittent
01322 - Control Module for Multi-Function Unit (MFA) (J501) 
            49-10 - No Communications - Intermittent
01331 - Door Control Module; Driver Side (J386) 
            49-00 - No Communications
01332 - Door Control Module; Passenger Side (J387) 
            49-00 - No Communications

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels: 7H0-959-433.lbl
   Part No: 7H0 959 433 B
   Component: C2B Komfortgerát     0004  
   Coding: 00069
   Shop #: WSC 02756  
   VCID: 326BF22FFE8BF716C4-4B06

   Subsystem 1 - Part No: Steuerger
   Component: t Fahr. antwortet nicht     

   Subsystem 2 - Part No: Steuerger
   Component: t Beif. antwortet nicht     

No fault code found.

End-------------------------(Elapsed Time: 06:22)--------------------------
 
   #2  

myounus

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Have you got a scan from your original setup to compare? Please post, thanks.
 
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   #3  

Cargeorge

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Hi myounus,
thanks for coming back to me.
Unfortunately I did not scan it before but I try to get hold of the old parts, put them back in and re scan it.
 
   #4  

myounus

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Ah ok. Try your last original BCM
 
   #5  

ai_Ingo

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Hi, please check communication in control unit 19 in the measuring blocks, block 132,3 as shown:
132,0,CAN-Databus Comfort (Communication)
132,2,Steering Wheel,Electronics (J527),Range: St. Wheel 1/St. Wheel 0\nSpecification: St. Wheel 1
132,3,Heating/Air,Condition (J255),Range: A/C 1/A/C 0\nSpecification: A/C 1
If communication is error-free, you have to see a "1" at A/C.
 
   #6  

Cargeorge

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Hi there,

sorry for the delay, had to deal with more urgent problems.

@myounus: Unfortunately I can't access the old parts anymore, so no scan of the original setup available :cry:
@Ingo: Measuring block 132 in control unit 19 does not have any entries - all fields are blank. What could that mean to my problem?

Thanks Cargeorge
 
   #7  

Jack@European_Parts

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Does the new cluster report ambient temp proper or is it running interference possibly?
 
   #8  

Cargeorge

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Hi Jack,
thanks for your reply.
The ambient temp comes up properly, see attached log.


Code:
Tuesday,28,April,2020,13:25:22:42134
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 20.4.0.1 (x64)
Data version: 20200331 DS317.0
www.Ross-Tech.com


VIN:    License Plate: 000MAD


                Address 17: Instruments  (7H0 920 851 )

13:25:10 Group 001: General
  0.0 km/h  Vehicle Speed 
  0 /min  Engine Speed 
  Oil Pr. 2 <min  Oil Pressure Switch 2
  13:26  Time 

13:25:10 Group 002: General
  222840 km  Odometer 
  29.0 l  Fuel Level 
  197 ohms  Fuel Sender Resistance
  27.0°C  Ambient Temperature

13:25:10 Group 003: General
  29.0°C  Coolant Temperature
     Oil Level 
     Oil Temperature
  N/A   

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


Address 09: DTCs cleared
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Address 09: DTCs cleared
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Address 19: DTCs cleared
 
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   #9  

Dana

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I would re-code 19 back to the same value of 00006

Address 19: CAN Gateway Labels: 6N0-909-901-19.lbl
Part No: 6N0 909 901
Component: Gateway K<->CAN 0001
Coding: 00006
Doing so will refresh the internal installation list.
 
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