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coil chopping

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Old Sep 23, 2013 | 09:15 AM
  #1  
aadriann's Avatar
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Default coil chopping

Hello guys
Does anyone know what means that error?
9CB6 LM: HVAC coil chopping

My autolevel headlight don't work

Tnx
Attached Thumbnails coil chopping-poz-2.jpg  

Last edited by aadriann; Sep 23, 2013 at 09:22 AM.
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Old Sep 25, 2013 | 04:54 PM
  #2  
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My Ride: 04 545i - Titanium Silver/Black, Sport pkg, Comfort Seats w/ Lumbar, Premium Sound, power rear sunshade, Adaptive Xenon Headlights, Steptronic, Park Distance Control, Fold down rear seats w/ski bag, Aux jack, 6-disk changer, puddle lamps... Engine: Custom Remus cat-back exhaust w/chrome square tips, K&N Air Filter, Charcoal Filter Removed, Sprint Booster :-), 50/50 mix of 91+100 Octane, EuroRev ECU Remap (coming soon lol), Dinan High-Flow Throttle Body (coming soon...maybe lol) Interior: Portable Sirius Stilletto 100 w/car kit, Garmin Nuvi 680 mounted below rear-view mirror, LCI-style I-drive knob, Dark Poplar Center Dashboard Trim. Exterior: E60 forum clings, 5% rear tint, ACS roof spoiler (painted black for distinct look against limo tint), ACS trunk spoiler, ACS add-on front spoiler and rear apron (awaiting installation), "18 Black Staggered BeBeS Style OER (emergency replacement for cracked sport 124 rims), black kidney grill, white accessory lighting (including license and trunk lamps), Angel-eye upgrade, AIB xenon-matched fog lamps, AIB V3's on order, red rear reflectors
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Originally Posted by aadriann
Hello guys
Does anyone know what means that error?
9CB6 LM: HVAC coil chopping

My autolevel headlight don't work

Tnx
Headlight Vertical Aim Control coil. LM is Light Module. You may have a failed vertical motion motor control in the headlight, or, knowing these damned cars, possible wire insulation deterioration problems in the headlight (carefully check). Beyond that I'm not sure. Good luck - keep us posted.
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Old Apr 5, 2014 | 11:09 PM
  #3  
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i'm not resolved that. Any ideea?
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Old Apr 7, 2014 | 08:29 AM
  #4  
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My Ride: M3 ZCP EX:2005 BMW 535D Sport, Estate, Steptronic, Carbon Black, Black Dakota leather, Head up Display, Profi Satnav, Bluetooth - only MULF module, Bi-xenon adaptive headlights, Sportseats, Cruise control, Active steeringMods: 19
Model Year: 2011
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Same problem, F-tar bought lights with this issues, but it take a lot of time to find out, have a look here:

BMW Coding Forum
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Old Apr 14, 2014 | 12:19 AM
  #5  
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It was a cut wire. Now it is working fine
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