2056950/6

Technical Service Bulletin
Topic
Market area
Brand
Transaction No.
Level
Status
Telephone interference
China 796 VW Import Comp. Ltd (Vico), Beijing (6796),United States E05 Bentley USA and rest America (6E05)
Bentley
2056950/6
EH
Released for publishing
New customer code
Object of complaint
information, navigation, communication, entertainment -> telephone operation -> Bluetooth
connection
information, navigation, communication, entertainment -> telephone operation
information, navigation, communication, entertainment -> telephone operation -> Bluetooth
connection -> Bluetooth connection to receiver
Complaint type
control modules, services ->
communication malfunction
functionality
control modules, services ->
communication malfunction
Position
New workshop code
Object of complaint
information, navigation, communication, entertainment -> telephone operation -> GSM
reception -> mobile phone GSM reception via Bluetooth
Vehicle data
Bentayga
Sales types
Type
4V1*
4V1*
4V1*
MY
2020
2021
2022
Brand Designation Engine code Gearbox code
E
*
*
E
*
*
E
*
*
Final drive code
*
*
*
New Flying Spur
Sales types
Type
ZG2*
ZG2*
ZG2*
MY
2020
2021
2022
Brand Designation Engine code Gearbox code
E
*
*
E
*
*
E
*
*
Final drive code
*
*
*
New Continental GT
Sales types
Type
3S3*
3S3*
3S3*
MY
2020
2021
2022
Brand Designation Engine code Gearbox code
E
*
*
E
*
*
E
*
*
Final drive code
*
*
*
New Continental GTC
Sales types
Type
3S4*
3S4*
3S4*
MY
2020
2021
2022
Brand Designation Engine code Gearbox code
E
*
*
E
*
*
E
*
*
Documents
Document name
master.xml
Final drive code
*
*
*
Complaint type
control modules, services ->
communication interrupted
Position
Technical Service Bulletin
Telephone interference
Transaction No.: 20 5 6 9 5 0 / 6
Condition
When using a mobile telephone via a Bluetooth connection the audio quality is poor due to interference
Technical Background
Customer complaint of poor audio quality due to interference when using a mobile telephone via a Bluetooth connection, the original right hand
side (Passenger) microphone should be replaced for an omni-directional microphone, a software update to 5F - Infotainment control unit 1 must
also be conducted after the replacement microphone is fitted
Production Solution
Not Applicable
Service
Microphone replacement
1) Remove the Front roof console – Refer to Repair manual - Rep.Gr70
2) Disconnect the right hand side microphone electrical connection (Figure 1)
Figure 1
•
Removal of the microphone from the roof console is carried out by pushing down on the body of the microphone in the direction shown
(Figure 2)
Figure 2
3) Referring to Figure 3 - Fit the replacement microphone (Part number 4M2035711B4PK)
•
Re-connect the electrical connection
Figure 3
4) Refit the front roof console – Refer to Repair manual - Rep.Gr70
Software update
General information before the software update is conducted:
• The closed-circuit voltage of the vehicle must be at least 12.5 V during the update. Connect a suitable battery charger to
the vehicle. For further information refer to the Repair manual
• During the update switch off all unnecessary consumers (ventilation, seat heater, interior illumination etc)
• Because of the highest transmission stability you MUST use the diagnosis interface VAS 6154 (WiFi diagnostic tool) ONLY
in USB operation or the cable-connected VAS 5055 for the reprogramming (updating) of control units. If these units are
not available, the diagnosis interface VAS 5054 (A) can also be used in USB mode
• Do Not under any circumstances use a Bluetooth connection to conduct the reprogramming (updating) of any control units
VERY IMPORTANT: Please ensure the correct SVM code is used depending on model
New Continental GT and New Continental GTC - 3705FNX01
New Flying Spur - 3715FTS01
Bentayga - 4V05FTX01
5) Select and run Guided fault finding - Within the Special functions tab select SVM – Code Input then select Perform test (Figure 4)
IMPORTANT: For Bentayga the SVM test is not named as SVM - code input
it is named as
SVM – Problem related hardware/software update
Figure 4
6) On the next screen enter the applicable model type SVM code and select Adopt (Figure 5)
VERY IMPORTANT: Please ensure the correct SVM code is used depending on model
New Continental GT and New Continental GTC - 3705FNX01
New Flying Spur - 3715FTS01
Bentayga - 4V05FTX01
Figure 5
7) On the following screen, confirm the SVM code is correct and select Yes.
8) All control modules will now be interrogated.
9) Software update for the 5F - Infotainment control unit 1 will then be suggested, select Yes.
10) The software of the 5F - Infotainment control unit 1 will then be updated, a progress bar will be displayed.
10) The software of the 5F - Infotainment control unit 1 will then be updated, a progress bar will be displayed.
11) Once the software update is complete, a confirmation screen will be evident to clarify the update has been successful (Figure 6)
Figure 6
NOTE: After the update is conducted, gear selection may not be possible. To wake up the system a bus silence is required, carry out the
following steps in the order stated below:
• Switch off the ignition
• Remove the diagnostic interface from the OBD port
• Switch off and remove the battery charger from the vehicle
• Close the bonnet and all doors then lock the vehicle
• Wait 10 minutes so that the vehicle goes into bus silence
• When 10 minutes has elapsed, unlock the vehicle and open the driver’s door
• Switch on the ignition
• Confirm that gear selection is now possible
12) Clear all DTC’s and conduct any applicable tests
Warranty
Warranty claim type 110 or 910
Damage number 91 57
Damage type
00 40
LOT codes and times - Bentayga - New GT and New GTC
Microphone to replace
91 57 19 50 - 10 TU
Interior light to remove and refit 96 20 19 00 - 20 TU
Software update
01 51 00 00 – (as per ODIS log maximum of 20 TU)
LOT codes and times - New Flying Spur
Microphone to replace
91 57 19 50 - 10 TU
Interior light to remove and refit 96 20 19 00 - 10 TU
Software update
01 51 00 00 – (as per ODIS log maximum of 20 TU)
Required Parts and Tools
Part number
Description
4M2035711B4PK Microphone
Quantity
1