NHTSA ID Number: 10200047
Manufacturer Communication Number: 2063891/1
TSB/Document Date: 2021-08-06
Summary
Bentayga - DTC C103129 - Air suspension warning displayed in Driver Instrument Panel. Customer statement / workshop findings: Air suspension system warning displayed in the Driver Instrument Panel (DIP) Technical background: Diagnostic Trouble Code (DTC) C103129 Level control pressure sensor Implausible signal symptom (DTC) stored in the Chassis control unit (Address 74). The onward procedure will check, and if necessary, perform software updates to Addresses 74, D4 and D5. This will bring them to the latest, compatible software level.
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TSB/Document ID: 2063891/1
Replacement Service Bulletin Number:
MFR Communication Date: 2021-07-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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Technical product information
Topic
Market
area
Brand
Bentayga - DTC C103129 - Air suspension warning displayed in Driver Instrument Panel
Russische Föderation (5RU),Australia E04 Bentley
rest Asia and Australia (6E04),China 796 VW
Import Comp. Ltd (Vico), Beijing
(6796),Germany E02 Bentley
rest Europe (6E02),Japan E03 Bentley
Japan (6E03),Korea, (South) E08 Bentley
South Korea
(6E08),United Arab Emirates E06 Bentley
Middle East and Africa (6E06),United Kingdom E01 Bentley
UK (6E01),United States
E05 Bentley
USA and rest America (6E05)
Bentley![]()
Transaction
2063891/1
No.
Level
EH
Status
Approval
Release
date
Event memory entries
Diagnostic address Event memory entry
Fault type Fault status
0074 - Chassis control C103129: Level control pressure sensor Range/Performance
Intermittent
0074 - Chassis control C103129: Level control pressure sensor Range/Performance
static
New customer code
Object of complaint
Complaint type
Position
running gear -> shock absorber/suspension control -> roll compensation functionality -> without function / defect
running gear -> adaptive suspension, pitch and roll compensation
functionality
vehicle service -> vehicle diagnosis
control units, services
New workshop code
Object of complaint
Complaint type
Position
running gear -> actuation, dynamics and braking controls -> control unit for anti-roll bar decoupling functionality -> faulty
Vehicle data
Bentayga
Sales types
Type
4V1*
4V1*
4V1*
MY
2017
2018
2019
Brand Designation Engine code
E
*
E
*
E
*
Gearbox code
*
*
*
Final drive code
*
*
*
Chassis numbers
Manufacturer Filler Type Filler MY Factory From
SJA
*
*
Documents
Document name
master.xml
*
*
C
To
000001 023610
Prod from Prod to
Technical product information
Bentayga - DTC C103129 - Air suspension warning displayed in Driver Instrument Panel
Transaction No.: 2063891/1
Customer statement / workshop findings
Air suspension system warning displayed in the Driver Instrument Panel (DIP)
Technical background
Diagnostic Trouble Code (DTC) C103129 Level control pressure sensor Implausible signal symptom (DTC) stored in the Chassis control unit
(Address 74). The onward procedure will check, and if necessary, perform software updates to Addresses 74, D4 and D5. This will bring them to
the latest, compatible software level.
Production change
This TPI is only applicable to Vehicles which have software version less than 1244 installed in the Adaptive suspension control unit - J197
(Address 74)
Measure
General information for the reprogramming
• The closed-circuit voltage of the vehicle must be at least 12.5 V during the reprogramming. Connect the battery of the
vehicle to an external power supply. For further information see the Maintenance manual.
• During the reprogramming switch off all unnecessary consumers (ventilation, seat heater, inside light).
• Because of the highest transmission stability we recommend the use of the diagnosis interface VAS 6154 (WiFi diagnostic
tool) only in the 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
1) Ensure a suitable battery charger is correctly connected to the vehicle electrical system for the duration of this procedure
Figure 1
2) Ensure the ignition key is located in the remote control key reader and switch on the ignition (Figure 1)
3). From the diagnostic tool main desktop select the Off Board Diagnostic Information System
•
Select – Start diagnosis
•
Select – Model / Engine
Figure 2
4) Referring to Figure 2 - Select Special functions (1), Select SVM – Problem related Hardware/Software Update (2), Select Perform test (3)
Figure 3
5) Referring to Figure 3 – At the SVM screen (1) enter the specific SVM code 4V0EFPEAWS01 and then select Adopt (2)
Figure 4
6) Referring to Figure 4, Check you have entered the correct SVM code (1) and select Yes (2) and follow all on screen prompts
•
When prompted enter your global user ID and password
•
Follow all on screen prompts to continue through the procedure
Figure 5
7) The software programming will then be performed (Figure 5), software updates may also be performed on addresses D4 and D5, please
follow any further on screen instructions.
Figure 6
8) Once all updates are complete, a confirmation message will appear, select Done/Continue (Figure 6)
•
Clear the vehicle of any fault codes generated as a result of performing this procedure
Figure 7
•
Referring to Figure 7, Carry out the Ride height calibration – Full Process
•
Clear the vehicle of any fault codes generated as a result of performing this procedure
•
When requested to Make a Target/Actual comparison – Select Yes and follow all on-screen prompts
9) Adjust Headlamps - Refer to Workshop Manual Rep.Gr 94
Refer to the vehicles specification relating to applicable Driver assist systems, once confirmed carry out the required calibration/adjustments as
follows:
•
If specified with the ACC system, the vehicle will be fitted with two front facing radars located in the front bumper - Radar alignment MUST
ONLY be carried out once all wheels have been successfully aligned. Refer to "Vehicle geometry - Wheel alignment and ride heights".
•
Driver assist systems (Depending on specification) – Refer to Workshop Manual Rep.Gr 44
•
Camera system (Depending on specification) - Refer to Workshop Manual Rep.Gr 94
Warranty accounting instructions
Software Update
Warranty Type
Labour Operation Code
Damage Service Number
Damage Code
Time
110 or 910
01 51 00 00
43 16
00 40
As per ODIS log (Must not exceed 30 TU)
Alignment of applicable driver assist systems (Depending on vehicle specification)
•
Vehicle front + rear measured wheel alignment checked - 44 95 03 00 - 110 TU
•
Rear wheel camber adjust - 44 94 15 50 - 30 TU
•
Rear wheel track adjust - 44 93 15 50 - 30 TU
•
Front wheel camber adjust - 44 89 15 50 - 40 TU
•
Front wheel track adjust - 44 88 15 50 - 20 TU
•
(ACC) - Radar sensor checked + adjusted - 91 63 05 51 - 30 TU
•
Overhead view camera adjusted - 90 83 15 00 - 40 TU
•
Driver assist camera adjusted - 96 38 15 50 - 120 TU
•
Control unit for (Lane change assist) adjusted - 96 35 15 00 - 50 TU
•
Night vision system calibration - 90 80 15 50 - 40 TU
•
Headlamps to adjust - 94 15 16 00 - 20 TU
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