Possible steering module issue

Tomi Diagnostician Chicago, Illinois Posted   Latest  
Question
Driveability
2005 Volkswagen Touareg 4.2L (AXQ) 6-spd (09D)—WVGCM77L25D002497
Security Theft / No Start

Hello everyone. I have this 2005 Toureg with a no start immobilizer active message on the IPC. So far my diag shows access module is not sending signal to terminal 15 relay. I jumped it and still nothing powers on. Ipc doesn't power in either when you turn the switch. I just need some insight on how this system works. I'm unsure where to continue in my diag process. Any help would be greatly appreciated. Thank you. 

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Craig Apprentice
Commack, New York
Craig Default
 

Hi Tomi Sounds like you have the dreaded steering lock control unit fault. You can jump the main terminal 15 which the start access control unit is connected to, just to read faults in the start access control unit and look at mvb 25 for lock out time. On "SOME" Autel tools, they have a wake up function that might help you. Steering column has to verify the key and pass the message on to the

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Mike Technical Support Specialist
Mississauga, Ontario
Mike Default
 

Hi Tomi, If there is a fault with the steering column lock that prevents the wheel from unlocking then the access start module will not provide terminal 15 power. Sometimes you can switch the hazards on to keep the databus awake and establish communication with the module. If you are able to clear the fault memory and erase the DTC for the electronic steering column lock solenoid this is

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Mike Technical Support Specialist
Mississauga, Ontario
Mike Default
 

jumped the gun here, didn't read the immobilizer warning part separate issue apologies!

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Steve Owner/Technician
Northwich, United Kingdom
Steve Default
 

This is normally an issue with the steering column module. When a global scan is done are there any fault codes or modules that aren't responding? Here's the factory wiring diagram if it helps. drive​.​google​.​com/open?id=10esXa… Steve...

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Tomi Diagnostician
Chicago, Illinois
Tomi Update
 

Hello everyone. My apologies for the late reply was waiting for a actual fix. So first thank you to everyone who helped me and special thanks to Craig Shippy for calling me and explaining the diagnostic process. We definitely condemned the steering module, but unfortunately customer declined repairs since he wanted to install a used module and I refused to do so. Again thank you all for the

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Chris Diagnostician
Commack, New York
Chris Default
 

Awesome Tomi!! I'm glad Craig was able to help you.

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