NHTSA ID Number: 11020941
Manufacturer Communication Number: 2062261/6
TSB/Document Date: 2025-07-29
Summary
Bentayga - Air suspension warning light within the DIP - DTC's P089200 - C104707 - C103B13 - Evident within Address 74.
Technical Service Bulletin
Topic
Bentayga - Air suspension warning light within the DIP - DTC's P089200 - C104707 C103B13 - Evident within Address 74
Market area
Australia E04 Bentley
rest Asia and Australia (6E04),China 723 Volkswagen (Anhui)
Automotive CO (6723),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)
Brand
Transaction
2062261/6
No.
Level
EH
Status
Released for publishing
Release
date
Jun 30, 2025
Diagnostic trouble codes
Fault
symptom
Diagnostic address Diagnostic trouble code
Storage
state
0074 - Chassis
control
C104707: Level control valves mechanical
malfunction
static
0074 - Chassis
control
C104707: Level control valves mechanical
malfunction
Intermittent
0074 - Chassis
control
C103B13: Solenoid for level control system Open
circuit
static
0074 - Chassis
control
P089200: TCM Power Relay Sense Circuit
Intermittent
Intermittent
0074 - Chassis
control
C103B13: Solenoid for level control system Open
circuit
Intermittent
0074 - Chassis
control
P089200: TCM Power Relay Sense Circuit
Intermittent
static
New customer code
Object of complaint
Complaint type
chassis -> damping\suspension regulation -> roll compensation
functionality -> operation
sequence incorrect
information, navigation, communication, entertainment -> information
display symbols -> stabilizer bar decoupling indicator display
functionality -> activates
without cause
information, navigation, communication, entertainment -> indicator
display symbols -> driving dynamics regulation (ESC) indicator
display
functionality -> activates
without cause
lighting, signaling -> acoustic signals -> warning signal for damper
/suspension regulation
functionality -> warning
tone sounds without
cause
Position
New workshop code
Object of complaint
Complaint type
power, vehicle electrical system, data transfer -> power supply ->
high-voltage battery
electrical -> voltage too
high
power, vehicle electrical system, data transfer -> battery
management -> de-energized state
functionality -> cannot be
activated
Vehicle data
Bentayga Series
Sales types
Type MY
Brand Designation Engine code Gearbox code Final drive code
4V1* 2017 E
*
*
*
ZV1* 2023 E
*
*
*
4V1* 2019 E
*
*
*
4V1* 2018 E
*
*
*
ZV1* 2024 E
*
*
*
4V1* 2021 E
*
*
*
4V1* 2020 E
*
*
*
4V1* 2023 E
*
*
*
4V1* 2022 E
*
*
*
4V1* 2024 E
*
*
*
Documents
Document name
master.xml
Position
Technical Service Bulletin 2062261/6
Technical Service Bulletin
Bentayga - Air suspension warning light within the DIP - DTC's P089200 - C104707 - C103B13
- Evident within Address 74
Transaction No.:
2062261/6
Release date: Jun 30,
2025
Condition
Customer statement:
Air suspension warning light within the DIP
Workshop findings:
One or a combination of the DTC’s shown below are evident within address 74
•
P089200 - Symptom Code 3145792 - TCM Power Relay Sense Circuit Intermittent (Level Control Valves Open
Circuit)
•
C103B13 - 3145909 - Solenoid for level control system Open circuit
•
C104707 - 3211279 - Level control valves mechanical malfunction
Technical Background
Revision history
TPI 2062261/5 - Additional information has been added regarding the replacement of the air supply control unit
(electrical issue) or the solenoid valve block (mechanical issue) instead of replacing the complete air supply unit
NOTE: An electrical integrity check must be conducted before replacing any parts
The solenoid valve block and/or control unit must be replaced first (symptom dependent) before replacing the air
supply unit, in the event the issue is still evident and the air supply unit/compressor is suspected as being at fault, the
operative must request permission via DISS before replacing the air supply control unit
Production Solution
-
Service
NOTICE
Hint: Please also refer to TPI 2053492/- Air spring fault finding guidelines if the issue/symptom is not as
described within this TPI
WARNING
Vehicles which use a high voltage or 48 volt system MUST only be worked on by suitably qualified personnel
WARNING
Please ensure all guidelines within the repair manual are strictly followed when working on vehicles with a
high voltage or 48 volt system
1) Conduct a wiring integrity check between the valve block for adaptive suspension control unit (NX7) and the
Running gear control unit (J775)
NOTE: NX7 is located as shown in Figure 1 (On the air supply unit/opposite side to the valve block)
Figure 1
Please note: The pin locations are different depending on Model Year as detailed within the onward instructions:
21 Model year
T81aa Pin 79 + T3er Pin 1
T81aa Pin 59 + T3er Pin 3
T81aa Pin 35 + T10as Pin 1
T81aa Pin 75 + T10as Pin 2
20 Model year
T81aa Pin 79 + T3cs Pin 1
T81aa Pin 59 + T3cs Pin 3
T81aa Pin 35 + T10ax Pin 1
T81aa Pin 75 + T10ax Pin 2
17 to 19 Model year
T81aa Pin 79 + T3dc Pin 1
T81aa Pin 59 + T3dc Pin 3
T81aa Pin 35 + T10ax Pin 1
T81aa Pin 75 + T10ax Pin 2
TIP: Previous instances have highlighted the following after inspection:
•
Broken wires
•
Kinked wiring
•
Pin/s missing
•
Pin/s broken
•
Pin/s loose
2) Repair any broken or damaged wires as per Rep.Gr 97
Should no issues be found regarding the integrity/visual checks, continue with the onward instructions
In the event that a mechanical issue is suspected please conduct step 3
Or
Should an electrical issue be suspected please conduct step 4
3) Mechanical issue
In the event a mechanical issue is suspected, the operative should continue as follows:
NOTICE
In the event that one or a combination of the issues listed below is evident the operative must respond via a
new or existing DISS query, the operative should attach clear photographs of the issues found and await
feedback before proceeding
•
Check for water ingress within the air supply unit/valve block
•
Check for water ingress within the air supply hoses
•
Check the air filter is not blocked
•
Should none of the afore mentioned issues be evident - Replace the solenoid valve block (Figure 2)
Hint: The solenoid valve block can be replaced without the need to remove the air supply unit assembly from the
vehicle
Figure 2
•
Check to confirm the issue is now resolved and no DTC’s are evident
NOTICE
Should the issue still be evident respond via a new or existing DISS query and await feedback before
conducting any further work
Road test warranty claims will be cancelled, a road test is not required after conducting this process
4) Electrical issue
Should an electrical issue be evident issue and the wiring integrity checks were to specification, the operative should
continue as follows:
•
Replace the compressor control unit - Figure 3
Hint: The compressor control unit can be replaced without the need to remove the air supply assembly unit from
the vehicle
Figure 3
Hint: The control unit is secured to the air supply unit bracket using (x4) clips - To remove the control unit
disengage the clips using a non metallic tool then slide/remove the control unit from the bracket (Figure 4)
TIP: The clips can easily snap - Take care when refitting the new control unit
Figure 4
•
On completion check to confirm the issue is now resolved and no DTC’s are evident
NOTICE
Should the issue still be evident respond via a new or existing DISS query and await feedback before
conducting any further work
Road test warranty claims will be cancelled, a road test is not required after conducting this process
Warranty
Warranty Type
110 or 910
Damage Service Number
43 23
Damage Code
00 15
Time to conduct wiring integrity checks
Labour Operation Code
43 13 01 10
Time
80 TU
Wiring repairs
Labour Operation Code
97 09 41 52
Time
40 TU
Time to replace the solenoid valve block (Mechanical operational issues/water ingress)
Labour Operation Code
Time
43 23 19 00
40 TU
Time to remove and refit the compressor control unit (Electrical issues)
Labour Operation Code
Time
43 16 19 01 (Use 99 index until 27/07/23)
20 TU
Time to remove and refit the air supply unit (Must only be claimed if permission has been granted via DISS to
replace the complete air supply unit)
Labour Operation Code
Time
43 15 19 00
70 TU
Diagnosis time using ODIS
Labour Operation Code 01 50 00 00
Time as per ODIS log (Must not exceed 10 TU)
Time to energise and de-energise the 48 volt system
Labour Operation Code 93 10 00 00
Time 30 TU
Warranty claims for road test should not be submitted all road test claims will be cancelled
Required Parts and Tools
Refer to the ETKA parts catalogue
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TSB/Document ID: 2062261/6
Replacement Service Bulletin Number:
MFR Communication Date: 2025-07-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FUEL/PROPULSION SYSTEM
MFR Component System:
MFR Component Subsystem:
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