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

Keyless entry system (KESSY) function was found to be disabled when the vehicle was parked for a short duration of time
Bentley: worldwide (2WBE),China 796 VW Import Comp. Ltd (Vico), Beijing (6796)
Bentley
2075562/1
EH
Approval

New customer code
Object of complaint
access control, driving authorisation, antitheft protection -> vehicle locking/unlocking -> door unlocking ->
door release mechanism with keyless access

Vehicle data
All Models
Sales types
Type
*
*
*
*
*
*
*

MY
2018
2019
2020
2021
2022
2023
2024

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

Documents
name

Complaint type
functionality -> without
function / defect

Position

of time

Customer statement / workshop findings
Keyless entry system (KESSY) function is disabled when the vehicle is parked for a short duration of time

Technical background
The reported symptom is due to the Battery management shut off stages being too early due to the battery size being incorrectly entered on
replacement

Production change
Not applicable

Measure
1) Review the Measured Value Blocks (MVB’s) as shown in Figure 1 (useable battery charge in Ah)
NOTICE

Figure 1
2) review the adapted battery size within History data block 4 position B. This value should equate to the batteries capacity in Ah (Figure 2)

Figure 2

The example shown in Figure 3 shows the Ah rating value which was entered, the incorrect value entered in this scenario was 12Ah which is
incorrect

3
NOTICE

The Ah shown in Figure 4 is an example (75Ah) the operative must ensure the correct Ah information is entered from the
battery information label

4
CAUTION

However
If the value entered at the time of replacing the battery was correct please continue with further diagnosis

Warranty accounting instructions
The labour time to conduct the instructions within this TPI are not covered by Factory warranty
However
Costs can be recovered from the Retailer that made initial error if required
A retailer has to warrant all work which they have conducted