2058484.12

Technical product information
Topic
Market area
Brand
Transaction No.
Level
Status
Release date
Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure Regulation
Bentley: worldwide (2WBE)
Bentley
2058484/12
EH
Approval
Event memory entries
Diagnostic address
Event memory entry
Fault type Fault status
0001 - Engine electronics P310B00: Fuel low pressure regulation Fuel pressure outside specification
static
0001 - Engine electronics P310B00: Fuel low pressure regulation Fuel pressure outside specification
Intermittent
New customer code
Object of complaint
Complaint type
Position
engine -> engine operation
functionality
engine -> engine operation -> power development functionality -> misfire
New workshop code
Object of complaint
engine -> operation, engine control -> engine control unit
engine -> operation, engine control -> engine control unit
engine -> operation, engine control -> engine control unit
engine -> operation, engine control -> engine control unit
engine -> fuel supply -> low-pressure fuel pump (tank)
engine -> operation, engine control -> engine control unit
Complaint type
Position
functionality -> misfire
control units, services -> with event log entry
control units, services -> measured value too high
electrics -> ground connection damaged
functionality -> uneven
control units, services -> error message
Vehicle data
Bentayga Series - V8 Kovomo
Sales types
Type
MY
Brand Designation Engine code Gearbox code Final drive code
4V14D9
4V14D9
4V14D9
4V14D9
4V14D9
4V14D9
ZV14D9
2018
2019
2020
2021
2022
2023
2023
E
E
E
E
E
E
E
Documents
Document name
master.xml
INTERNAL
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
Technical product information
Bentayga V8 Kovomo - DTC P310B00 with Symptom Code 2638 - Check Engine Lamp - Fuel Pressure
Regulation
Transaction No.: 2058484/12
Customer statement / workshop findings
Engine warning lamp is illuminated within the Driver Instrument Panel (DIP) in conjunction with the DTC as detailed below:
•
“P310B00 with symptom code 2638 - Low Fuel Pressure Regulation”
There may also be multiple DTC’s and symptoms present due to fuel pressure regulation or fuel supply issues in conjunction with the afore
mentioned symptom/DTC
Technical background
NOTE: Where possible the retailer must attempt to request as much information as possible regarding when the issue
occurred - For example
•
Driving at low speed in traffic
•
Warning lights within the DIP
•
Driveability at the time the issue occurred - During idle or driving?
•
If during idle, how long had the car been idling?
•
Details when the vehicle was last refuelled and the grade of fuel used
•
When the issue occurred, How was the car unlocked and started? Keyless entry or entry by using the remote key fob?
IMPORTANT: All received information must be added to a new or existing Technical DISS query
In the event the symptoms are as described within the Customer statement/workshop findings section of this TPI the
operative should refer to the instructions within the Measure section noting the following before proceeding
NOTICE
There are (x2) different fuel pressure actual values depending on the Model Year
•
18 to 22 Model Year
•
23 Model Year
The operative must ensure the correct procedure is followed
Production change
All vehicles post SJAHL14V0PC021480 are to specification, however in the event the issue is evident post the suggested VIN the operative
should raise a Technical DISS query and await feedback before conducting any further work
Measure
WARNING
Before continuing with the onward instructions the operative must refer to and understand the following information within Rep.Gr 20:
– Basic safety instructions for working with the fuel system
•
Fuel system - Safety precautions
•
Fuel system - Rules for cleanliness
•
Always drain fuel tank before performing any work on the fuel system - Drain fuel tank - Refer to Rep.Gr 20
CAUTION
Ensure all safety instructions are strictly followed including the deactivation of the 48 volt system (when applicable) and 12 volt system as per
all instructions within Rep.Gr 27
INTERNAL
18 to 22 Model Year vehicles only
1) Referring to the example shown in Figure 1 - Check the actual pressure value
•
In the event the fuel pressure actual value is above 450kPa the Fuel Delivery Module within the fuel tank (Figure 2) should be replaced
The fuel tank flange seal and securing ring shouls also be replaced
•
Refer to Repair Group 20 Fuel supply, gas operation / 4.0L V8 TSI / Fuel pump, fuel level sensors, and jet pump (RH) - To remove and fit
23 Model Year vehicles only
1) Referring to the example shown in Figure 1 - Check the actual pressure value
•
In the event the fuel pressure actual value is above 475kPa (2023MY) the Fuel Delivery Module within the fuel tank (Figure 2) should be
replaced
The fuel tank flange seal and securing ring should also be replaced
•
Refer to Repair Group 20 Fuel supply, gas operation / 4.0L V8 TSI / Fuel pump, fuel level sensors, and jet pump (RH) - To remove and fit.
All Model Years continued
Figure 1
INTERNAL
Figure 2
NOTICE
IMPORTANT: Once the fuel delivery module has been replaced, the operative should attach a clear photograph of the manufacture
information label as shown in Figure 3
Figure 3
INTERNAL
Warranty accounting instructions
Warranty type - 110 or 910
Damage Service Number 20 66
Damage Code
01 00
Diagnosis time
Labour Operation Code 01 50 00 00
Time
As per ODIS log (must not exceed 20 TU)
Time to replace the fuel delivery module
Labour Operation Code 20 66 19 50
Time
50 TU
Time to remove and refit the rear seats (4 seat)
Labour Operation Code 68 16 19 01
Time
190 TU
Time to remove and refit the rear seats (5 seat)
Labour Operation Code 72 48 20 05
Time
100 TU
Time to remove and refit the seat sill panel
Labour Operation Code 68 05 19 00
Time
20 TU
Time to remove and refit the boot side trim panel
Labour Operation Code 70 03 19 00
Time
40 TU
Parts information
For the latest part information always refer to the Electronic Parts Catalogue (ETKA)
INTERNAL