Technical product information
Topic
Market
area
Brand
Transaction
No.
Level
Status
Release
date

Bentayga V8 Kovomo - Engine MIL light on - DTC “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2
China 723 Volkswagen (Anhui) Automotive CO (6723),China 796 VW Import Comp. Ltd (Vico), Beijing (6796),Korea, (South) E08
Bentley South Korea (6E08),United States E05 Bentley USA and rest America (6E05)
Bentley
2065664/3
EH
Released for publishing
28-Sep-2023

Event memory entries
Diagnostic address
Event memory entry
Fault type Fault status
0001 - Engine electronics P004100: O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2
Intermittent
0001 - Engine electronics P004100: O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2
static
New customer code
Object of complaint
Complaint type
Position
engine -> engine operation
functionality
vehicle service -> vehicle diagnosis -> guided fault finding control units, services -> with event log entry

Vehicle data
Bentayga Series - V8 Kovomo
Sales types
Type
4V14D9
4V14D9
4V14D9
4V14D9
ZV14D9
ZV14D9

MY
2021
2022
2023
2024
2023
2024

Brand Designation Engine code Gearbox code Final drive code
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*
E
*
*
*

Documents
Document name
master.xml

INTERNAL

Technical product information
Bentayga V8 Kovomo - Engine MIL light on - DTC “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor
2

Transaction No.: 2065664/3
Release date: 28-Sep-2023

Customer statement / workshop findings
DTC P004100: “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2 is evident within address 0001 (Engine control unit) and MIL
light active after attempting to conduct a readiness test

Technical background
In the event the symptom(s) described are evident the operative should carry out the instructions within the Measure section

Production change
The applicable ODIS routine will be updated.
The update will allow the additional basic setting to be automatically conducted.

Measure
VERY IMPORTANT: Check and confirm that no DTC’s are evident
Or
No engine operation issues are evident - Save an online log to confirm that no DTC’s were logged at this stage of the procedure
VERY IMPORTANT: Please ensure that no ignition cycles, Deletion of DTC’s or any other tests are run when conducting the
following steps as this will automatically set the readiness code and log unrelated DTC’s
1) Run the engine basic setting routine - Select option 3.7 - Test for oxygen sensor interchange after catalytic converter
2) Immediately run the Readiness test as per the following instructions:
• Referring to Figure 1 - Select Guided functions from 01 - Engine Control Module 1
• Select Generate readiness code
• Select Execute and follow the readiness code procedure to completion as per all on screen prompts

Figure 1
NOTE: Please be aware that not all readiness bytes may be at zero, however this is not a requirement as the remaining bytes will set during
normal drive cycle routines
In the event the issue is not resolved, the operative should raise a DISS query and await feedback from Product
Support before conducting any further work

INTERNAL

Warranty accounting instructions
Diagnostic time
Warranty type
Service number
Damage code
Labour
Labour operation code
Time

INTERNAL

110 or 910
24 70
02 02
01 50 00 00
As per ODIS log (must not exceed 40 TU)