Technical product information
New Flying Spur Hybrid - 12 volt battery draining during the charging of the high voltage battery
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),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)

Topic
Market
area
Brand
Transaction
No.
Level
Status
Release
date

Bentley
2068627/2
EH
Approval

New customer code
Object of complaint
electrical power, electric system, data transfer -> power supply
electrical power, electric system, data transfer -> battery management -> charging highvoltage battery

Vehicle data
New Flying Spur Hybrid
Sales types
Type

MY

Brand Designation Engine code Gearbox code Final drive code

ZG23GB 2022 E
ZG23GB 2023 E
ZG25GB 2023 E

Documents
name

INTERNAL

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Complaint type
functionality
functionality -> defective function
sequence

Position

Customer statement / workshop findings
Customer statement
12 volt battery is draining during the charging of the high voltage battery

Technical background
VERY IMPORTANT: This vehicle uses a High voltage system and MUST only be worked on by suitably qualified
personnel
VERY IMPORTANT: Please ensure all guidelines within the repair manual are strictly followed before and whilst
conducting any work on vehicles with a High voltage system
In the event the issue is as described within the Customer statement/Workshop findings section, refer to the instructions
within the Measure section of this TPI

Production change
-

Measure
1) Raise a Technical DISS query stating the following:
•

The 12 volt battery is draining during the charging of the high voltage battery when the using high voltage charging socket

•

The instructions within this TPI should be conducted to completion (Permission/approval via DISS is not required)

2) Referring to Rep.Gr 93 - Carry out an Inspection and classification of the Hybrid battery unit AX1
VERY IMPORTANT: In the event that the classification result of the battery is ‘Normal’ the operative should conduct the
remaining steps of this TPI from step 3
However
If the classification result of the battery is either ‘Danger’ or ‘Warning’ then move the car to the quarantine area and raise a
DISS immediately, the operative MUST NOT continue with any other work unless instructed via the open DISS query
3) De-energise the high voltage system - RepGr 93 - Electric Drive - De-energising high - voltage system
4) Referring to the applicable wiring diagram - Disconnect the 12V and the high voltage connections from the On Board Charger (AX4)
5) Conduct a visual check of the On Board Charger (AX4) plugs/terminals
6) Conduct a visual check of the On Board Charger (AX4) connections and pins
Should any issues be found, the operative MUST update the existing DISS query with all findings and await feedback before
conducting any further work
However
If no issues are found the operative should continue from step 7 to completion
7) Replace the On Board Charger (AX4) Refer to Rep.Gr 93 - Charging unit 1 for high voltage battery AX4 - To remove and refit
8) Re-energise the high voltage system - RepGr 93 - Electric Drive - De-energising high - voltage system
9) Check the operation of the charging system to confirm the system is operating to specification
NOTICE

In the event that there is a new charging complaint after the replacement of the On Board Charger (AX4) or related DTC’s
are logged the operative MUST update the existing DISS query and await feedback before conducting any further work

INTERNAL

Warranty accounting instructions
Warranty type
110 or 910
Damage service number 93 52
Damage code
00 40
Time to De - energise and Re - energise the high voltage system
Labour
Labour Operation Code 93 10 00 00
Time
30 TU
Time to replace the Charging unit 1 for high voltage battery (AX4)
Labour
Labour Operation Code 93 52 19 80
Time
170 TU
Diagnosis time
Labour
Labour Operation Code 01 50 00 00
Time
As per ODIS log (must not exceed 50 TU)
NOTICE

Parts information
Refer to the ETKA parts catalogue

The high voltage coolant system Anti tamper lock for the high voltage coolant reservoir cap MUST always replaced as per
the ETKA parts catalogue

INTERNAL