COMAND(R) - Sys. Errors, Audio And Navigation Complaints: Overview
COMAND: System errors, audio and navigation complaintsTopic number LI82.85-P-052602
Version 1
Design group 82.85 Navigation and communication systems (CNS, ICS, COMAND, FleetBoard)
Date 04-05-2012
Validity Model 216 up to VIN #020476
Model 221 up to VIN #243189
Reason for change
Complaint:
In vehicles with COMAND software versions 07.09 and 07.29, the following known fault profiles may occur:
1. System errors:
- No RDS display for certain radio stations.
- Black screen after conference call with route guidance active.
2. Audio and video complaints:
- No video text available for digital TV stations.
- Volume of audio source is not reduced during navigation announcements.
- Poor radio reception quality and interference noises in radio mode in vehicles with sound system (code 810)
3. Navigation complaints:
- Incorrect vehicle location displayed on navigation card despite good satellite reception.
- Faulty satellite coordinates: "East" displayed instead of "West".
- The navigation data version can only be read out incompletely via DAS.
In vehicles with COMAND software version 06.32, the following known fault profiles may occur:
1. System errors:
- The backup camera picture is temporarily not shown.
- Only one telephone number from the telephone is transferred into the address book of the COMAND.
- Accessing mobile phone voice messages via speed dial "1" does not function.
2. Audio and video complaints:
- In TV mode the sound is automatically muted even though reception is good.
3. Navigation complaints:
- "Now turn right" instructions come too late, especially on small traffic circles.
- Faulty description of destinations in recent destinations.
In vehicles with COMAND software version 06.12, the following known fault profiles may also occur:
1. System errors:
- Resetting of COMAND controller unit with more than 10 lanes.
- Connection to waiting caller is disconnected when a second caller is rejected.
- When switching between the "123" and "ABC" view in the address book, the marked entry is the only one that is not changed.
2. Audio and video complaints:
- Faulty power-up behavior of the COMAND controller unit: Empty radio station list, no sound present.
3. Navigation complaints:
- Inaccurate or implausible driving instructions when route guidance is active, incorrect route guidance.
In vehicles with COMAND software version 05.50, the following known fault profiles may also occur:
1. System errors:
- Address/phone book function error.
- COMAND remains in the telephone menu after a telephone call is ended.
2. Audio and video complaints:
- During call setup, crackling noises may be heard from the speakers (subwoofers).
- Sound interruption due to cyclic resetting of TV tuner.
- TV tuner causes recurrent hissing noises; no TV station list.
- Improvement of audio quality in analog TV mode.
In vehicles with COMAND software version 05.28 or earlier, the following known fault profiles may also occur:
1. System errors:
- Sporadic resetting of the COMAND controller unit and the UPCI portable CTEL holder (A34/15).
- Malfunction when adjusting the multicontour seat (MCS) with the central operating unit, user interface hangs.
- Address/phone book shows only one entry in the COMAND controller unit.
2. Audio and video complaints:
- No sound present / radio station list present. The instrument cluster display shows "Audio off".
- Faulty radio last mode behavior after an idle time > 6 h.
- TV autostore list: Selected station is not marked with a dot.
- TV autostore list: After autostore the selected station appears twice.
- MP3 tracks are interrupted at the beginning.
- Audio CDs are not always recognized.
3. Navigation complaints:
- No blue route on the map after scrolling.
- Navigation map is not displayed.
- Navigation does not show a correct position for more than 5 min.
Cause:
COMAND (A40/3) software.
Remedy:
Install software from SDflash Telematics CD (ECE: A 221 827 74 59-0001/A 216 827 17 59-0001, USA: A 221 827 70 59-0001) using DAS (available as of DAS 11/2008). After the update, the software version of the COMAND controller unit (A40/3) is 08.03 and that of the sound audio tuner (N93/1) is 08.25.
Please place the attached insert relevant to the modified function (see below) in the vehicle owner's manual so that the additional information is available.
Note:
The voice tags in COMAND are deleted by the update.
Note on functional changes:
Software version 08.03 introduces the following functional changes:
- The AUX IN inputs of the TV combination tuner can be shown as entries in the TV station list
Software version 07.09 introduces the following functional changes:
- The remaining distance and arrival time can be displayed in the full picture map via menu "Map display"
- Introduction of "Bird's-eye view" map display
- Discontinuation of RDS TMC status indication in fullscreen map
- New interface and extension of address book function
- Extension of telephone keypad function
- "Now turn right" instruction omitted on small traffic circles
- PCMCIA card can be selected via button "Disc/Radio"
- Closing a TA message in the display terminates the traffic announcement
- Driving instructions can be muted by pressing the mute button once during a navigation announcement
- wma files can be played (only with current COMAND hardware)
- TMC functionality for Spain, Norway, and USA available (only in combination with map data 5.1 ECE or 4.0 USA)
- Additional routing options for USA
- Introduction of DAB (digital audio broadcasting) as special equipment (only Great Britain)
- Introduction of satellite radio in Canada
- Introduction of an AUX-IN jack in the glove box Note: The AUX-IN function in the video menu is only present on vehicles with AUX-IN jack.
Software version 06.32 introduces the following functional changes:
- TMC functionality available for France (only in combination with map data 4.0 ECE)
- Volume of vehicle speakers regulated via a controller on the display of the rear entertainment system
Software version 06.12 introduces the following functional changes:
- Range of functions of rear entertainment system extended: TV station selection in rear, MP3 and DVD audio functionality (only with current hardware of rear entertainment system)
- Seat firmness setting no longer available on new vehicles (function is retained with software update on "old vehicles").
Software version 05.50 does not introduce any functional changes.
Attachments
Symptoms