RE21/26 (RC08) – Front Seat Control Module Malfunction – 2020-2021 Bentley Continental GT/GT Convertible

July 21, 2021 NHTSA CAMPAIGN NUMBER: 21V550000

Front Seat Control Module Malfunction

The rear passenger may become trapped by the front seat, increasing the risk of injury.

 

NHTSA Campaign Number: 21V550

Manufacturer BentleyeBay logo Motors, Inc.

Components SEATS

Potential Number of Units Affected 3,647

 

Summary

BentleyeBay logo Motors, Inc. (BentleyeBay logo) is recalling certain 2020-2021 ContinentaleBay logo GT/GT Convertible vehicles. During some automated front seat movements, the front seat may trap a rear passenger’s legs.

 

Remedy

Dealers will update the software for the front seats, free of charge. Owner notification letters were mailed on August 31, 2021. Owners may contact BentleyeBay logo customer service at 1-800-777-6923. BentleyeBay logo’s number for this recall is RE21/26 (RC08).

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check for Bentley Recalls

 


Technical background

When the front right and/or left seatbacks are released and tipped forwards to allow the rear occupant to get out of the vehicle (easy entry/exit), the seat moves backwards (Figure 1), depending on the seat adjustments, a clash condition could occur between the applicable seat and rear passenger and/or objects stowed in the rear foot well

A software update is required to be applied to both front seat control modules, the update changes the operation/movement strategy of the front seat

 

Remedy

Both front seat control modules (06 – Seat Adjustment Passenger Side and address 36 – Seat Adjustment Driver Side) must be updated as per the instructions within the Work section of this document

 

Customer notification

Customers of affected vehicles will be notified in writing by their BentleyeBay logo retailer to arrange an appointment, make a note of the required action on the workshop order before it is signed by the customer. If it is omitted to perform the work required during a workshop visit, the customer should be notified immediately. You should also pass on this information to your new and used car sales departments so that affected vehicles are checked and repaired immediately

 

Questions and answers

What is the specific issue with the affected vehicles?

An issue with the front seat software could result in trapping of a rear occupant’s legs.

 

What repercussions does the fault have?

During some automated front seat movements, the seat position moves rearwards when the seat height is lowered.

 

Which vehicles are affected?

This issue only affects 18-21MY ContinentaleBay logo GT and GT Convertible vehicles (2 door) built between February 2018 and June 2021.

 

Can customers continue to drive the cars?

Yes, they can continue to use the vehicle, however, the option to stop automated seat movement may be exercised until the recall action has been carried out. This can be done by pressing one of the seat movement switches (either by pressing an Express Movement control switch located near the seatback release lever or by pressing one of the manual seat adjustment control switches located in the front seat switch pack at the base of the seat)..

 

What is the fix?

BentleyeBay logo authorised retailers will update the software on the front seats to correct this issue. The new software will only allow automated seat height movements when there is sufficient leg room for rear occupants. This will take less than one hour to complete and will be carried out free of charge.

 

Do I have to make an appointment?

Yes, that’s important. Please contact your retailer immediately.

 

Repair instructions

Notes

Technical background

When the front right and/or left seatbacks are released and tipped forwards to allow the rear occupant to get out of the vehicle (easy entry/exit), the seat moves backwards (Figure 1), depending on the seat adjustments, a clash condition could occur between the applicable seat and rear passenger and/or objects stowed in the rear foot well

A software update is required to be applied to both front seat control modules, the update changes the operation/movement strategy of the front seat

 

Check

If the vehicle is not already listed as repaired in the ‘Repair history’ section of Elsa Pro, check for the presence of the yellow campaign completion mark as shown in the ‘Identification’ section. In the event the campaign has not been applied, please carry out the required work in accordance with these instructions.

 

Software update

General information for the reprogramming:

  • The closed-circuit voltage of the vehicle must be at least 12.5 V during the reprogramming. Connect the battery of the vehicle to an external power supply. For further information see the Maintenance manual.
  • During the reprogramming switch off all unnecessary consumers (ventilation, seat heater, interior lights etc).
  • Because of the highest transmission stability we recommend the use of the diagnosis interface VAS 6154 (WiFi diagnostic tool) only in the USB operation or the cable-connected VAS 5055 for the reprogramming (updating) of control units. If these units are not available, the diagnosis interface VAS 5054 (A) can also be used in USB mode

 

1. Select and run Guided fault finding. Within the Special functions tab select SVM – Code Input

  • Select Perform test (Figure 1).

 

2. On the next screen enter SVM code 370PSJ01

  • Select Adopt (Figure 2).

 

3. On the following screen, confirm the code then select Yes.

 

4. All control modules will now be interrogated.

 

5. The software of the front passenger seat control module will be updated, a blue progress bar will displayed (Figure 3).

 

6. The software of the front driver’s seat control module will be updated, a blue progress bar will displayed (Figure 4).

 

7. Once this is complete, a message will be evident confirming that the all actions have been completed successfully. Select Done/Continue, the following screen will display a summary of the actions

  • Select Done/Continue (Figure 5). Follow on screen prompts until program end.

 

IMPORTANT: Basic settings are now required on both seats

8. Select Guided functions then Basic settings on 36 – Seat Adjustment Driver (Figure 6).

 

9. Complete the basic settings as instructed, this is done by manually setting each seat motor to its end stops using the controls on the side of the seat, when each motor has been successfully set the state will change from ‘not normalised’ to ‘normalised’. All motors must read ‘normalised’ as highlighted below before continuing any further (Figure 7).

 

10. When complete press the Done button, you will then have to set the force limit calibration, Select -2- Continue to force limit calibration. Ensure the instructions within the test are carefully followed, the seat will then move automatically (Figure 8).

 

11. Repeat steps 8 to 10 on 06 – Seat Adjustment Passenger Side and follow all on screen prompts

  • Once the process is complete – Erase all DTC’s

 

12. After the update programming, gear selection will not be possible. To wake up the system a bus silence is required, carry out the following steps in the order stated below;

  • Switch off the ignition
  • Remove the diagnostic interface from the OBD port
  • Switch off and remove the battery charger from the vehicle
  • Close the bonnet and all doors then lock the vehicle
  • Wait 5 minutes so that the vehicle goes into bus silence
  • When 5 minutes has elapsed, unlock the vehicle and open the driver’s door
  • Switch on the ignition
  • Confirm that the gear selection is now possible

 

Identification

On completion apply a yellow campaign identification mark as shown to the 12 volt battery vent hose

 



2 Affected Products

Vehicle

MAKEMODELYEAR
BENTLEYCONTINENTAL GT2020-2021

 


7 Associated Documents

Manufacturer Notices(to Dealers,etc) – RECALL CAMPAIGN Bentley 20-21MY Continental GT & Continental GT Convertible Automated Seat Movement (RE21/26)

RCMN-21V550-3713.pdf 1742.739KB

 


Remedy Instructions and TSB

RCRIT-21V550-6412.pdf 1139.583KB

 


Defect Notice 573 Report

RCLRPT-21V550-8159.PDF 215.493KB

 


Recall Acknowledgement

RCAK-21V550-6840.pdf 645.152KB

 


ISSUED Owner Notification Letter(Part 577)

RCONL-21V550-8244.pdf 247.904KB

 


Recall Quarterly Report #1, 2021-3

RCLQRT-21V550-3336.PDF 211.142KB

 


Recall Quarterly Report #2, 2021-4

RCLQRT-21V550-7524.PDF 211.25KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=21V550&docType=RCL

 


 

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