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Old July 1st, 2012, 18:00   #1
SuperAdellic
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Location: Beaufort, SC
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Default Need help with ECM - no communications error

Just bought a new to me Golf and it started idling rough. It runs fine, maybe a little low on power (this could be that it is stock and my previous Golf had a tune and nozzles), but the idle is rough. Background is it's an automatic to manual swap car (the TCM is still in the car) and it has a 10mm IP on it (I don't know the story on that and neither does the previous owner). The engine coding shows 00002 (manual transmission). When I scanned it with VAGCOM the below scan is what I got. What caught my eye was the instruments and CAN gateway are showing the same errors: 01314 ECM - no communications - intermittent and 01315 TCM - no communications. Why would the instruments and CAN gateway still be looking for a TCM if the ECM is coded to manual transmission? What is causing the intermittent no communications with the ECM? Any help would be greatly appreciated. Thanks,
SA


Sunday,01,July,2012,17:36:09:21184
VCDS Version: Release 11.11.3 (x64)
Data version: 20120401



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


Chassis Type: 1J - VW Golf/Bora IV
Scan: 01 02 03 08 15 16 17 19 22 29 35 36 37 39 46 47 55 56 57 75
76

Mileage: 343740km/213590miles
-------------------------------------------------------------------------------
Address 01: Engine Labels: 038-906-012-AGR.lbl
Part No: 038 906 012 BD
Component: 1,9l R4 EDC G420SG 2507
Coding: 00002
Shop #: WSC 02424
VCID: 53AB80D5A1EE691

No fault code found.
Readiness: 0 0 1 1 1

-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 1J0-907-37x-ABS.lbl
Part No: 1J0 907 379 P
Component: ABS 20 IE CAN 0001
Coding: 03504
Shop #: WSC 01317
VCID: 3E7DC1613A6C949

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags Labels: 6Q0-909-605-VW5.lbl
Part No: 6Q0 909 605 A
Component: 09 AIRBAG VW5 0003
Coding: 12345
Shop #: WSC 01317
VCID: 356FDE4D0F5A571

1 Fault Found:
00532 - Supply Voltage B+
07-10 - Signal too Low - Intermittent

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 1J0-920-xx0-17.lbl
Part No: 1J0 920 900 M
Component: A4-KOMBIINSTR. VDO V16
Coding: 07242
Shop #: WSC 02402
VCID: 2C59FB29DC10169

Subsystem 1 - Part No: IMMO
Component: IDENTNR: VWZ7Z0X1766574
IMMO-IDENTNR: VWZ7Z0X1766574

3 Faults Found:
01039 - Coolant Temperature Sensor (G2)
30-10 - Open or Short to Plus - Intermittent
01314 - Engine Control Module
49-10 - No Communications - Intermittent
01315 - Transmission Control Module
49-00 - No Communications

-------------------------------------------------------------------------------
Address 19: CAN Gateway Labels: 6N0-909-901-19.lbl
Part No: 6N0 909 901
Component: Gateway K<->CAN 0001
Coding: 00007
Shop #: WSC 01317
VCID: F0E1AF59B0B8B29

2 Faults Found:
01314 - Engine Control Module
49-10 - No Communications - Intermittent
01315 - Transmission Control Module
49-00 - No Communications

-------------------------------------------------------------------------------
Address 46: Central Conv. Labels: 1J0-959-799.lbl
Part No: 1J0 959 799 AJ
Component: 60 Zentral-SG Komf. 0001
Coding: 04096
Shop #: WSC 01317
VCID: 860DE981A23C8C9

Subsystem 1 - Part No: 1J1959801C
Component: 60 Tırsteuerger. FS0002r

Subsystem 2 - Part No: 1J1959802D
Component: 60 Tırsteuerger. BF0002r

Subsystem 3 - Part No: 1J4959811C
Component: 61 Tırsteuerger. HL0002r

Subsystem 4 - Part No: 1J4959812C
Component: 60 Tırsteuerger. HR0002r

4 Faults Found:
01329 - Convenience System Data Bus in Emergency Mode
35-00 - -
01333 - Door Control Module; Rear Left (J388)
49-10 - No Communications - Intermittent
00943 - Heated Exterior Mirror; Driver Side (Z4)
35-00 - -
00915 - Window Regulator Switch; Rear Right; Driver (E55)
29-10 - Short to Ground - Intermittent

End ---------------------------------------------------------------------
__________________
'16 RAM 1500 Ecodiesel 4x4
'14 RAM 1500 Ecodiesel (stolen)
'00 Golf GLS 4D 5spd (Big Red 1;sold)
'01 Golf GL 2D 01M (Hans; RIP)
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Old July 1st, 2012, 19:01   #2
jef@rosstech
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The Gateway is coded for automatic. Change the Gateway coding to 00006, clear codes and then see where you stand.
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What should you do first with VCDS? AUTOSCAN!
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Old July 2nd, 2012, 17:30   #3
SuperAdellic
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Thanks Jef. It cleared up the ECM, TCM, and airbag errors. The temp sensor error and data bus in emergency mode have stuck around. New scan results are below.

Monday,02,July,2012,17:12:14:21184
VCDS Version: Release 11.11.3 (x64)
Data version: 20120401



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


Chassis Type: 1J - VW Golf/Bora IV
Scan: 01 02 03 08 15 16 17 19 22 29 35 36 37 39 46 47 55 56 57 75
76

Mileage: 343850km/213658miles
-------------------------------------------------------------------------------
Address 01: Engine Labels: 038-906-012-AGR.lbl
Part No: 038 906 012 BD
Component: 1,9l R4 EDC G420SG 2507
Coding: 00002
Shop #: WSC 02424
VCID: 53AB80D5A1EE691

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

-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 1J0-907-37x-ABS.lbl
Part No: 1J0 907 379 P
Component: ABS 20 IE CAN 0001
Coding: 03504
Shop #: WSC 01317
VCID: 3E7DC1613A6C949

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags Labels: 6Q0-909-605-VW5.lbl
Part No: 6Q0 909 605 A
Component: 09 AIRBAG VW5 0003
Coding: 12345
Shop #: WSC 01317
VCID: 356FDE4D0F5A571

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 1J0-920-xx0-17.lbl
Part No: 1J0 920 900 M
Component: A4-KOMBIINSTR. VDO V16
Coding: 07242
Shop #: WSC 02402
VCID: 2C59FB29DC10169

Subsystem 1 - Part No: IMMO
Component: IDENTNR: VWZ7Z0X1766574
IMMO-IDENTNR: VWZ7Z0X1766574

1 Fault Found:
01039 - Coolant Temperature Sensor (G2)
30-10 - Open or Short to Plus - 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 01317
VCID: F0E1AF59B0B8B29

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv. Labels: 1J0-959-799.lbl
Part No: 1J0 959 799 AJ
Component: 60 Zentral-SG Komf. 0001
Coding: 04096
Shop #: WSC 01317
VCID: 860DE981A23C8C9

Subsystem 1 - Part No: 1J1959801C
Component: 60 Tırsteuerger. FS0002r

Subsystem 2 - Part No: 1J1959802D
Component: 60 Tırsteuerger. BF0002r

Subsystem 3 - Part No: 1J4959811C
Component: 61 Tırsteuerger. HL0002r

Subsystem 4 - Part No: 1J4959812C
Component: 60 Tırsteuerger. HR0002r

1 Fault Found:
01329 - Convenience System Data Bus in Emergency Mode
35-00 - -

End ---------------------------------------------------------------------
__________________
'16 RAM 1500 Ecodiesel 4x4
'14 RAM 1500 Ecodiesel (stolen)
'00 Golf GLS 4D 5spd (Big Red 1;sold)
'01 Golf GL 2D 01M (Hans; RIP)
The Picard is angry!
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Old July 2nd, 2012, 20:16   #4
jef@rosstech
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Location: knoxville
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Verify wiring between instrument cluster and temp sensor are good. If so, then I'd suggest replacing the coolant temp sensor.


http://wiki.ross-tech.com/wiki/index.php/01329

Connect to the Comfort Control Module and go into Measuring Block group 012 and see if field 1 shows 1 wire or 2 wire operation. If it shows 1 wire operation, verify CAN Gateway wiring to door modules are good. You can also try unplugging the door modules and see if it goes to 2 wire, sometimes they can fail internally and cause something like this to happen.

However, on the Comfort Bus, it it is in 1 wire operation, you would never know it, everything will still operate normally.
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What should you do first with VCDS? AUTOSCAN!
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