NHTSA ID Number: 11027477
Manufacturer Communication Number: 2071190/3
TSB/Document Date: 2026-01-08
Summary
HVAC failing to cool | DTC B16A1F0 in diagnostic address 00C5 | Bentayga Series (Hybrid
) | 23MY - 25MY.
Technical Service Bulletin
HVAC failing to cool | DTC B16A1F0 in diagnostic address 00C5 | Bentayga Series (Hybrid) |
23MY - 25MY
Topic
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
Market area 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
2071190/3
No.
Level
EH
Status
Released for publishing
Release
date
Dec 10, 2025
Diagnostic trouble codes
Fault
symptom
Storage
state
Diagnostic address
Diagnostic trouble code
00C5 - Thermal
management
B16A1F0: Refrigerant shut-off valve Icing - water
load too high
static
00C5 - Thermal
management
B16A1F0: Refrigerant shut-off valve Icing - water
load too high
Intermittent
New customer code
Object of complaint
Complaint type
climate control -> heating, cooling -> climate control unit cooling output -> A
/C compressor control
functionality -> no
function
Vehicle data
Bentayga - Hybrid
Sales types
Type
MY
Brand Designation Engine code Gearbox code Final drive code
4V14F9 2019 E
*
*
*
4V14F9 2020 E
*
*
*
4V14F9 2021 E
*
*
*
Position
4V14F9 2022 E
*
*
*
4V14F9 2023 E
*
*
*
4V14F9 2024 E
*
*
*
4V14F9 2025 E
*
*
*
4V14F9 2026 E
*
*
*
4V15F9 2025 E
*
*
*
4V15F9 2026 E
*
*
*
Documents
Document name
master.xml
Technical Service Bulletin
HVAC failing to cool | DTC B16A1F0 in diagnostic address 00C5 | Bentayga Series
(Hybrid) | 23MY - 25MY
Transaction No.:
2071190/3
Release date: Dec 10,
2025
Condition
Customer statement
HVAC system is not cooling
Workshop findings
DTC B16A1F0 - Refrigerant shut-off valve Icing - water load too high, evident within diagnostic address
00C5
Technical Background
Upon receipt of a customer complaint relating to HVAC system not cooling and DTC B16A1F0 is evident,
please refer to the Measure section of this TPI
Production Solution
The procedure within the manufacturing process has been reviewed and changed as part of the Bentley
Motors continuous improvement policy
Service
WARNING
This vehicle uses a High voltage system and MUST only be worked on by suitably qualified personnel
CAUTION
Please ensure all guidelines within the repair manual are strictly followed before and whilst conducting any
work on vehicles with a High voltage system
1) Referring to Rep.Gr 44 - Remove the left hand front wheel
2) Referring to Rep.Gr 66 - Remove the left hand front foremost wheel arch liner
3) Remove (x3) speaker box fixings (5Nm)
•
Disconnect the speaker box electrical connector
•
Remove the speaker box
4) Access can now be gained to the required connector plugs - Figure 1 shows G826 and G395 with the
connector plugs fitted incorrectly
•
Low pressure sender G826 connector plug with 4 wires (Incorrect)
•
High pressure sender G395 connector plug with 3 wires (Incorrect)
Figure 1
NOTICE
In the event the pressure sender connector plugs are fitted incorrectly the plugs should be disconnected
and refitted correctly as shown in Figures 2 and 3
•
Figure 2 shows G826 and G395 connector plugs fitted correctly
•
Low pressure sender G826 connector plug with 3 wires (Correct)
•
High pressure sender G395 connector plug with 4 wires (Correct)
Figure 2
Hint: Figure 3 shows G826 and G395 as per the applicable Current Flow Diagram (Correct)
Figure 3
5) Once the orientation of the connector plugs is correct - Refit all previously components
6) Check the HVAC system is operating to specification
NOTICE
Road test must not be conducted, the HVAC operation can be checked statically without conducting a
road test
Warranty
Warranty type - 110 or 910
Damage Service Number 97 97
Damage Code
00 12
Labour
ODIS diagnostic time
Labour Operation Code
Time
01 50 00 00
As per ODIS log (Must not exceed 10 TU)
Time to disconnect and reconnect (x2 plugs) G826 and G395 to correct orientation
Labour Operation Code
Time
87 09 01 00 (Use 99 index until 14/09/23)
80TU
NOTICE
Road test must not be conducted, the HVAC operation can be checked statically without conducting a
road test, any warranty claims which include a road test will be cancelled
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TSB/Document ID: 2071190/3
Replacement Service Bulletin Number:
MFR Communication Date: 2025-12-11
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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