https://wiki.ross-tech.com/wiki/index.php?action=history&feed=atom&title=Audi_A6_%284G%2F4H%29_MxB-ECU_Headlight_Regulation 2026-04-08T22:50:23Z Revision history for this page on the wiki MediaWiki 1.43.3 https://wiki.ross-tech.com/wiki/index.php?title=Audi_A6_(4G/4H)_MxB-ECU_Headlight_Regulation&diff=8869&oldid=prev 2020-06-30T15:38:43Z

<p>Created page with &quot;This page applies to vehicles using &#039;&#039;&#039;MxB-ECU&#039;&#039;&#039;. This can be identified by evaluating the data in the Auto-Scan: Address 55: Headlight Range (J745) Labels:| 4H4-907...&quot;</p> <p><b>New page</b></p><div>This page applies to vehicles using &#039;&#039;&#039;MxB-ECU&#039;&#039;&#039;. This can be identified by evaluating the data in the Auto-Scan: <br /> <br /> Address 55: Headlight Range (J745) Labels:| 4H4-907-357-V2.clb<br /> Part No SW: 4H4 907 357 E HW: 7P6 907 357 B<br /> Component: &#039;&#039;&#039;MxB-ECU&#039;&#039;&#039; 001 0100 <br /> ASAM Dataset: &#039;&#039;&#039;EV_HeadlRegulAUDIMXBAU64X&#039;&#039;&#039; 005009<br /> ROD: EV_HeadlRegulAUDIMXBAU64X_005_AU57.rod<br /> <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 /> == Adaptation ==<br /> Adaptation channels are available in the form of a drop-down menu when connected to the vehicle with VCDS.<br /> <br /> == Security Access ==<br /> The Security Access code will appear in a pop-up balloon.<br /> <br /> == Basic Setting ==<br /> === Headlight Adjustment ===<br /> &#039;&#039;&#039;&lt;u&gt;Prerequisites:&lt;/u&gt;&#039;&#039;&#039;&lt;br&gt;<br /> * Vehicle must be parked on level ground and settled on its suspension&lt;br&gt;<br /> <br /> &#039;&#039;&#039;[Select]&#039;&#039;&#039;&lt;br&gt;<br /> &#039;&#039;&#039;[55 - Xenon Range]&#039;&#039;&#039;&lt;br&gt;<br /> &#039;&#039;&#039;[Basic Settings - 04]&#039;&#039;&#039;&lt;br&gt;<br /> Select &#039;&#039;&#039;Basic headlamp setting&#039;&#039;&#039; from the drop-down menu.&lt;br&gt;<br /> &#039;&#039;&#039;[Go!]&#039;&#039;&#039; to activate the Basic Setting.&lt;br&gt;<br /> * The meas. block field will show Running. &lt;br&gt;<br /> * Adjust the headlights using their manual adjusting screws as referenced against a suitable aiming target. &lt;br&gt;<br /> &#039;&#039;&#039;[Stop]&#039;&#039;&#039; after any needed mechanical adjustments are completed.&lt;br&gt;<br /> <br /> Select &#039;&#039;&#039;Acknowledge basic setting&#039;&#039;&#039;&lt;br&gt;<br /> &#039;&#039;&#039;[Go!]&#039;&#039;&#039; to activate the Basic Setting.&lt;br&gt;<br /> The adjustment should now be learned.&lt;br&gt;<br /> &#039;&#039;&#039;[Stop]&#039;&#039;&#039;&lt;br&gt;<br /> &#039;&#039;&#039;[Done, Go Back]&#039;&#039;&#039;&lt;br&gt;<br /> Don&#039;t forget to check/clear fault codes afterwards.&lt;br&gt;<br /> &#039;&#039;&#039;[Close Controller, Go Back - 06]&#039;&#039;&#039;&lt;br&gt;<br /> <br /> == Special Notes ==<br /> * If Coding is not possible after used replacement headlight components are installed in conjunction with DTCs such as:<br /> ** U1014/13636608 - Control Module Incorrectly Coded <br /> ** C107E/5275220 - Headlight - Missing Calibration / Basic Setting<br /> ** B149C/5545201 - Output Stage for LED Headlamp; Left - Incorrectly Coded<br /> ** C116F/5538066 - Temperature Sensor for Left High Beam - Electrical Failure<br /> ** B1219/5538067 - Bulb for High Beam Headlamp; Left - Current Coding Electrical Error<br /> it may be necessary to re-code Address 09 (BCM1) to the same value first. Doing so appears to refresh the left and right Subsystem coding values making them compatible with the 55 module as per the feedback in this thread: https://forums.ross-tech.com/showthread.php?23400-Audi-a6-Headlight-slave-unit-recode</div>

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