https://wiki.ross-tech.com/wiki/index.php?action=history&feed=atom&title=MLB_based_Acc%2FStart_Auth_%28J393%29_BCM2 2026-05-07T17:00:45Z Revision history for this page on the wiki MediaWiki 1.43.3 https://wiki.ross-tech.com/wiki/index.php?title=MLB_based_Acc/Start_Auth_(J393)_BCM2&diff=8870&oldid=prev 2020-06-30T16:44:55Z

<p>Created page with &quot;__FORCETOC__ This page applies to Address &#039;&#039;&#039;05-Acc/Start Auth.&#039;&#039;&#039; MLB based models such as the VW &#039;&#039;&#039;Touareg&#039;&#039;&#039; (7P/BP) and Audi &#039;&#039;&#039;A4&#039;&#039;&#039; &#039;&#039;(8K)&#039;&#039;, &#039;&#039;&#039;A5&#039;&#039;&#039; &#039;&#039;(8T)&#039;&#039;, &#039;&#039;&#039;Q5&#039;&#039;...&quot;</p> <p><b>New page</b></p><div>__FORCETOC__<br /> This page applies to Address &#039;&#039;&#039;05-Acc/Start Auth.&#039;&#039;&#039; MLB based models such as the VW &#039;&#039;&#039;Touareg&#039;&#039;&#039; (7P/BP) and Audi &#039;&#039;&#039;A4&#039;&#039;&#039; &#039;&#039;(8K)&#039;&#039;, &#039;&#039;&#039;A5&#039;&#039;&#039; &#039;&#039;(8T)&#039;&#039;, &#039;&#039;&#039;Q5&#039;&#039;&#039; &#039;&#039;(8R)&#039;&#039; in addition to the &#039;&#039;&#039;A6/A7/A8&#039;&#039;&#039; &#039;&#039;(4G/4H)&#039;&#039; models with J393 Component: &#039;&#039;&#039;BCM2 1.1&#039;&#039;&#039; and &#039;&#039;&#039;BCM2 2.0&#039;&#039;&#039;. It does NOT apply to MLBevo models using Component BCM2 MLBevo.<br /> <br /> The installed BCM2 can be identified by evaluating the data in the Auto-Scan: <br /> <br /> Address 05: Acc/Start Auth. (J393) Labels: 8K0-907-064-05.clb<br /> Part No SW: 8K0 907 064 DG HW: 8K0 907 064 DG<br /> Component: &#039;&#039;&#039;BCM2 1.1&#039;&#039;&#039; H02 0321<br /> <br /> Address 05: Acc/Start Auth. (J393) Labels:. 8K0-907-064-05.clb<br /> Part No SW: 4H0 907 064 BR HW: 4H0 907 064 BR<br /> Component: &#039;&#039;&#039;BCM2 2.0&#039;&#039;&#039; H31 0330<br /> <br /> <br /> == Information ==<br /> This control module is the Immobilizer (KESSY) and it uses Address words 05- Acc/Start Auth. (J393) in addition to Address 46-Central Conv. (J393).<br /> Replacement of this control modules will result in Immobilizer problems in addition to Component Protection (CP) DTCs which cannot be resolved using VCDS. See the [[MLB based Acc/Start Auth (J393) BCM2#Replacement | Replacement]] section below.<br /> <br /> == Coding ==<br /> Coding information is available while connected to the vehicle with VCDS using the &#039;&#039;&#039;[http://www.ross-tech.com/vcds/tour/recode_screen.html Long Coding Helper]&#039;&#039;&#039;.<br /> <br /> <br /> == Replacement ==<br /> [[Immobilizer]] component matching and Component Protection can only be learned/disabled using the Factory Tool in Combination with an online Connection with GeKo access. This can be completed online at the dealer or by using a Pass-Thru (J2534) device per the notes on our [[Official Factory Repair Information]] page.</div>

Dana