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I removed my instrument cluster two weeks ago, had some LED work done on it, and have reinstalled. Now the Immobilizer-3 light blinks, and when I try to start the car, it does the typical running for 2 seconds and dies.

I followed the troubleshooting found here: http://www.myturbodiesel.com/1000q_how_to/multi/immobilizer.htm

Specifically, I've done the following with no success:

- Charged up my battery and checked voltage is greater than 12.5 V (I still have the original OEM battery with 86,000+ miles and 6+ years on it)

- Tried to start the car with both of my keys/fob

- Leaving the key in the ignition to "ON" but not start for a few minutes to see if the immobilizer light would stop flashing

- Disconnecting BOTH negative and positive terminals of the battery, and then touched the cables to each other for about 1 minute, while not attached to the battery

- Ran VCDS, which gave me plenty of faults related to the immobilizer

Here is my scan:

Sunday,31,January,2010,14:59:53:24789
VCDS Version: Release 908.1
Data version: 20091018
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
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

VIN: 3VWSP69M23M###### Mileage: 138830km/86264miles
-------------------------------------------------------------------------------
Address 01: Engine Labels: 038-906-012-AGR.lbl
Part No: 038 906 012 GN
Component: RC s04c EDC G520SG 4308
Coding: 00002
Shop #: WSC 00066
3VWSP69M23M###### VWZ7Z0C7554168

2 Faults Found:
18058 - Powertrain Data Bus: Missing Message from Instrument Cluster
P1650 - 35-10 - - - Intermittent
17978 - Engine Start Blocked by Immobilizer
P1570 - 35-00 - -
Readiness: 1 1 0 1 1

-------------------------------------------------------------------------------
Address 03: ABS Brakes Labels: 1C0-907-37x-ESP-F.lbl
Part No: 1C0 907 379 M
Component: ESP FRONT MK60 0102
Coding: 0019458
Shop #: WSC 00028 000 00000

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags Labels: 6Q0-909-605-VW5.lbl
Part No: 1C0 909 605 F
Component: 04 AIRBAG VW61 0202 0003
Coding: 12340
Shop #: WSC 00066

1 Fault Found:
01299 - Diagnostic Interface for Data Bus (J533)
49-10 - No Communications - Intermittent

-------------------------------------------------------------------------------
Address 16: Steering wheel Labels: 1J0-907-487-A.lbl
Part No: 1J0 907 487 A
Component: Lenkradelektronik 0005
Coding: 00118
Shop #: WSC 00028

2 Faults Found:
01341 - Control Module in Instrument Panel On Comfort CAN (J285)
27-10 - Implausible Signal - Intermittent
01341 - Control Module in Instrument Panel On Comfort CAN (J285)
49-10 - No Communications - Intermittent

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 1J0-920-xx5-17.lbl
Part No: 1J0 920 906 L
Component: KOMBI+WEGFAHRSP VDO V65
Coding: 07432
Shop #: WSC 00000
3VWSP69M23M###### VWZ7Z0C7554168

7 Faults Found:
01128 - Immobilizer Pickup Coil (D2)
35-00 - -
01176 - Key
07-00 - Signal too Low
01312 - Powertrain Data Bus
37-10 - Faulty - Intermittent
01314 - Engine Control Module
49-10 - No Communications - Intermittent
01316 - ABS Control Module
49-10 - No Communications - Intermittent
01321 - Control Module for Airbags (J234)
49-10 - No Communications - Intermittent
01336 - Data Bus for Comfort System
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 00028

6 Faults Found:
01312 - Powertrain Data Bus
37-10 - Faulty - Intermittent
01314 - Engine Control Module
49-10 - No Communications - Intermittent
01316 - ABS Control Module
49-10 - No Communications - Intermittent
01321 - Control Module for Airbags (J234)
49-10 - No Communications - Intermittent
01336 - Data Bus for Comfort System
49-10 - No Communications - Intermittent
00778 - Steering Angle Sensor (G85)
49-10 - No Communications - Intermittent

-------------------------------------------------------------------------------
Address 46: Central Conv. Labels: 1C0-959-799.lbl
Part No: 1C0 959 799 C
Component: 1H Komfortger·t HLO 0003
Coding: 00259
Shop #: WSC 00028

Part No: 1C1959801A
Component: 1H Tırsteuer.FS KLO 0010

Part No: 1C1959802A
Component: 1H Tırsteuer.BF KLO 0010

Part No: 1C0959811A
Component: 1H Tırsteuer.HL KLO 0202

Part No: 1C0959812A
Component: 1H Tırsteuer.HR KLO 0202

1 Fault Found:
01299 - Diagnostic Interface for Data Bus (J533)
49-10 - No Communications - Intermittent

-------------------------------------------------------------------------------
Address 56: Radio Labels: 3B7-035-1xx-56.lbl
Part No: 3B7 035 180 D
Component: Radio ZSW 0010
Coding: 04401
Shop #: WSC 00028

5 Faults Found:
00879 - Connection to Speaker Front Right
44-10 - Short Circuit - Intermittent
00849 - S-contact at Ignition/Starter Switch (D)
78-10 - Missing Messages - Intermittent
01326 - Control Module for Multi-Function Steering Wheel (J453)
49-10 - No Communications - Intermittent
01064 - Terminal 58d; Interior Dimming
78-10 - Missing Messages - Intermittent
00625 - Vehicle Speed Signal
78-10 - Missing Messages - Intermittent

End ---------------------------------------------------------------------

At this point, I have no idea what to do to get my Jetta started. All the searching that I have done tells me to do what I described above.

Can someone help, please!!
 

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Discussion Starter #3
I re-scaned and cleared all my codes, then touched the two battery ends for another minutes. Still does not start! Here's my latest scan (only including where fault codes found):

Sunday,31,January,2010,17:08:28:24789
VCDS Version: Release 908.1
Data version: 20091018
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
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

VIN: 3VWSP69M23M###### Mileage: 138830km/86264miles
-------------------------------------------------------------------------------
Address 01: Engine Labels: 038-906-012-AGR.lbl
Part No: 038 906 012 GN
Component: RC s04c EDC G520SG 4308
Coding: 00002
Shop #: WSC 00066
3VWSP69M23M###### VWZ7Z0C7554168

1 Fault Found:
17978 - Engine Start Blocked by Immobilizer
P1570 - 35-00 - -
Readiness: 0 0 1 1 1

-------------------------------------------------------------------------------
Address 17: Instruments Labels: 1J0-920-xx5-17.lbl
Part No: 1J0 920 906 L
Component: KOMBI+WEGFAHRSP VDO V65
Coding: 07432
Shop #: WSC 00000
3VWSP69M23M192730 VWZ7Z0C7554168

2 Faults Found:
01128 - Immobilizer Pickup Coil (D2)
35-00 - -
01176 - Key
07-00 - Signal too Low

-------------------------------------------------------------------------------
Address 46: Central Conv. Labels: 1C0-959-799.lbl
Part No: 1C0 959 799 C
Component: 1H Komfortger·t HLO 0003
Coding: 00259
Shop #: WSC 00028

Part No: 1C1959801A
Component: 1H Tırsteuer.FS KLO 0010

Part No: 1C1959802A
Component: 1H Tırsteuer.BF KLO 0010

Part No: 1C0959811A
Component: 1H Tırsteuer.HL KLO 0202

Part No: 1C0959812A
Component: 1H Tırsteuer.HR KLO 0202

1 Fault Found:
01299 - Diagnostic Interface for Data Bus (J533)
49-10 - No Communications - Intermittent

End ---------------------------------------------------------------------


I'm starting to wonder if I will need to buy a new programmed key and fob...
 

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Ordered VAG Tacho 2.5

I just ordered a VAG Tacho 2.5 shipped from Northeastern U.S.

For my problem, I'm not sure which of the procedures in the following link I must follow: http://www.myturbodiesel.com/1000q_how_to/multi/immo3.htm

Choices are:

- Procedure for matching keys to vehicles with Immobilizer in the Instrument Cluster

- Procedure for adding keys to vehicles with separate Immobilizer

- BRAND NEW ECU (doubt this one, since I did not swap my ECU)

- Used ECU (doubt this one, since I did not swap my ECU)

- Procedure for installing a NEW Instrument Cluster in vehicles with Immobilizer III (doubt this one, since I did not swap my instrument cluster)

Can anyone help, PLEASE!!!
 

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Discussion Starter #6

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First I would think that it's somehow related to the LED conversion. Maybe a short or bad solder somewhere but I don't see how changing the cluster lighting would effect the other functions. Why it would take 2 weeks I don't know and this suggestion could be wrong. I don't think it's the 2 main plugs in the back (see here for anyone else reading this thread http://www.myturbodiesel.com/1000q_how_to/a4/instrumentclusterremove.htm ) since the plugs lock down and I don't think it's a pin since nothing has changed before and after. However, if you take off the steering column trim off you could check the wiring. It's possible a pin was somehow damaged but this seems unlikely. Fuse problem seems unlikely.

Battery/voltage problem seems more likely but you said it's charged up and this should rule out a battery/alternator problem.

I agree that it sounds like it could be an immobilizer pickup problem since you have the error codes and you tried different keys with no success. This would support the signal too low code.

The procedure I would do is instrument cluster swapping or key swapping. Also look at the measuring blocks. Other than a bad transponder antenna, the one thing that sounds like it could be giving trouble is :
Transponder Lock Time
0 to 10 minutes
Indicates how much time must pass before a transponder recognition is possible again. This lock is activated after an unauthorized key is detected 20 times in a row


I agree that the key doesn't have to be in the lock, it's an RFID chip and only needs to be next to the antenna. I don't know the range but it's unlikely that the range is so small that 1cm would make a difference.
 

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And as crazy as it sounds, if you can't figure it out tonight it might be fine tomorrow morning. At the end of the night, leave a charger on and leave the key to the "ON" position. I've found that when I hit a wall it's best to recharge and clear the mind.
 

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Discussion Starter #9
And as crazy as it sounds, if you can't figure it out tonight it might be fine tomorrow morning. At the end of the night, leave a charger on and leave the key to the "ON" position. I've found that when I hit a wall it's best to recharge and clear the mind.
Jeff from RocketChip made the same suggestion on my TDI Club thread. I'm going to do that tonight after getting the steering wheel off and checking the wires near the ignition switch.
 
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