COMAND(R) - iPod Can't Be Operated With Remote Buttons
Date: March 1, 2007Order No.: P-B-82.85/544
Supersedes:
Group: 82
SUBJECT:
Model 171.454/456/473, as of MY 05 with COMAND Head Unit Only
Model 203.040/052/054/056/061/064/076/081/084/087/092/261/264/281/284/740/
764, as of MY 05
Model 209.356/365/375/376/456/465/475/476, as of MY 05
Model 211.026/056/065/070/076/082/083/087/256/265/276/282/287, as of MY 03
Model 219.375/376, as of MY 06
Equipped with iPod Interface Kit
iPod Intermittently Cannot Be Operated or Controlled Using Steering Wheel
Controls, Delayed Response on Instrument Cluster Display, iPod Volume Too
Low Compared to Other Audio Sources
If you receive customer reports in the above model vehicles equipped with iPod Interface Kit of the below iPod conditions, this may be due to incorrectly loaded MP3 files from the user's music library onto the iPod,
the Aux level of the iPod is too low or a CAN communication error between the head unit and the instrument cluster. To resolve, follow the diagnostic steps below.
^ Cannot be controlled by the multifunction steering wheel controls.
^ A delayed response (sometimes up to 2 minutes) in display of the track information or the radio station on the instrument cluster.
^ The iPod volume is too low in comparison to other Audio sources such as the CD or CD changer.
Step 1 - Compare Audio Volume of Identical Tracks from the iPod and an Audio CD
Note:
To complete step 1, you need a computer, an internet connection, iTunes, CD-R Compact Disc, a CD burner with reliable CD burning software set to a lower burning speed (8x) with data verification
option checked.
^ Using a reliable internet connection, log onto the website: www.mixed-tape.com
^ Depending on your "cookies" settings, a pop-up blocker is activated, click "start webspecial" link 4 select "english" (Figure 1).
^ When the mixed tape screen appears, select "play" (Figure 2).
^ You will be directed to a menu containing a list of about 15 official MP3 tracks.
^ Select any track by checking the circle 4 click the "download your selection" link in the bottom of the list (Figure 3).
^ Follow the steps for downloading and saving the track onto your computer.
^ Insert a blank CD-R in you CD burner 4 start the burning software 4 and burn the selected track from your computer onto the CD-R.
^ When the burn process is complete, copy the track from your computer (NOT from the CD-R) onto your music library in iTunes.
^ From iTunes, pull this track onto the iPod (make sure you have the MP3 format checked in your iTunes burning preferences).
^ On the iPod, scroll to Settings --> Sound check --> OFF
^ Adjust the iPod to max, connect the iPod and adjust head unit's volume to any desired level.
^ Scroll to the acquired iPod track and inspect the volume.
^ Insert the burned CD-R and play the same track on the Head Unit CD player, compare the audio levels of both tracks from the iPod and CD player.
^ If no significant volume difference is noted between both audio sources from the iPod and the Audio CD-R, then any reported concern for volume difference may be caused by an incorrect burning process or using a poor quality audio source file.
B6 782 42 52 (or later). Reference the applicable WIS documents listed below and adjust the Aux output volume level after replacement per the below procedure.
Note:
If the vehicle is equipped with the latest iPod interface Module, you can use the procedure to adjust the Aux volume output
Instructions to Remove the Head Unit and iPod Interface Module
Model 171: Refer to the corresponding sections of WIS document AZ82.60-P-0014VA
Model 203: Removal of Audio 20 Head Unit, refer to WIS document AR82.60-P-7502PA
Removal of COMAND MCSII Head Unit, refer to WIS document AR82.85-P-7472PA
Removal of iPod Interface Module, refer to WIS document
AZ82.60-P-0001-03QA
Model 209: Removal of Audio 20 Head Unit, refer to WIS document
AR82.60-P-7502QA
Removal of COMAND MCSII Head Unit, refer to WIS document AR82.85-P-7472Q
Removal of iPod Interface Module, refer to WIS document AZ82.60-P-0001-03QA
Model 211: Refer to the corresponding sections of WIS documents AZ82.60-P-0014TT for S211 and AZ82.60-P-0014T for W211.
Model 219: Refer to the corresponding sections of WIS document AZ82.60-P-0014TX
Step 2 - Adjust the Aux Output Volume Level
^ Use the MFS buttons to select the iPod menu (Aux) in the instrument cluster (IC)
^ Simultaneously, hold down the down-arrow + Tel hang-up MFS buttons for about 8 seconds, the IC displays the words "DIAG" on the top and "SW.." on the bottom --> wait 5 seconds, the IC displays "DIAG" , "HW.." --> wait another 5 seconds --> "DIAG", "Vol..."
^ Within 5 seconds of the "DIAG", "Vol" display appearing, you can press the up or down arrow to adjust the Aux output volume. Make sure it is set to the loudest --> wait 5 seconds without pressing any MFS buttons --> the display will return to iPod main screen automatically.
Parts Information
Note:
The following allowable labor operations should be used when submitting a warranty claim for this repair
In Case of Warranty