16‐04‐013BUG – Tank Control Unit – 2006-2011 Bugatti Veyron

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April 8, 2016 NHTSA CAMPAIGN NUMBER: 16V200000

Fuel Gauge may Read Higher than Actual

The inaccurate gauge may cause a driver to unexpectedly run out of fuel and the vehicle to stall, increasing the risk of a crash.

 

NHTSA Campaign Number: 16V200

Manufacturer Bugatti

Components FUEL SYSTEM, GASOLINE

Potential Number of Units Affected 72

 

Summary

Bugatti is recalling certain model year 2006-2010 Veyron vehicles manufactured March 10, 2006, to January 17, 2010 and 2010-2011 Veyron Grand Sport vehicles manufactured September 29, 2009, to June 30, 2010. In the affected vehicles, the fuel tank gauge may indicate that there is more fuel in the tank than there actually is.

 

Remedy

Bugatti will notify owners, and dealers will replace the fuel tank control unit and upgrade the software, free of charge. The recall began on May 23, 2016. Owners may contact Bugatti at 1-805-557-1050.

 

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.safercar.gov.

 


Technical Bulletin
16‐04‐013BUG
Tank Control Unit

 

Applicability: 

Bugatti Veyron Bugatti Grand Sport

 

VIN range : 

Contact your Bugatti regional service manager

 

Market Region: 

All

 

Introduction: 

Fuel tank control unit requires replacement with later version.

  

Description: 

Fuel tank indicator can show a higher fuel level than the actual level of fuel in the tank.

A new control unit with revised software has been introduced to supply the correct signals from the level sensors.

 

Warning: 

Comply with the vehicle preparation measures for maintenance and repair procedures. Refer to the official Workshop Manual, Page 18 “General instructions about the vehicle”

If in any doubt regarding this procedure, contact your Bugatti regional service manager.

 

Procedure: 

  1. Remove centre console armrest (1)

centre console armrest

 

  1. Remove the passenger side rear wall trim
    • Loosen the lower passenger rear wall trim ‐1‐ using a dismounting wedge (e.g. ‐3409‐), in direction of travel ‐arrows‐.
    • Pull the lower rear wall trim‐2‐ in direction of travel –arrows to loosen the trim elements.
    • Remove the trim ‐1‐ and ‐2‐ upwards in direction of arrow A‐.

passenger side rear wall trim

dismounting wedge

 

  1. Remove rear wall compartments (1)
  • Open the flap for the tray with the button on the rear wall.
  • Unclip the floor compartments ‐2‐ from the tray with a dismounting wedge
  • Pull the rear wall compartments ‐1‐ out of the tray.

rear wall compartments

 

  1. Centre rear wall trim loosing
  • Use a dismounting wedge (e.g. ‐3409‐) to lever out the retaining clips ‐2‐.
  • Open the cover ‐4‐ of the tray ‐5‐.
  • Unscrew the fastening bolts ‐7‐ and fastening nuts ‐6‐ in the tray ‐5‐.
  • Unscrew the fastening bolts ‐3‐ in the centre wall trim
  • Unscrew the fastening bolts ‐1‐ in the monocoque

Centre rear wall trim loosing

 

  1. Gently pull the passenger side of centre rear wall to access the Tank control unit and unplug it.

Tank Control UnitPassenger side view of the monocoque without interior trim

 

  1. Unscrew the 2 nuts with 10mm socket

Tank Control UnitPassenger side view of the Tank Control Unit (while pulling centre rear wall)

 

  1. Remove the Tank Control Unit
  1. Install the new Tank control Unit 5B0906020 B (Software version V 3.03) and screw the 2 nuts carefully (approx. 1Nm)
  2. Connect the new Tank Control Unit
  3. Install the centre rear wall trim

Installation is in reverse order of removal.

  • Tighten fastening Bolts ‐7‐ to 4,5Nm tightening torque
  • Tighten mounting nuts ‐6‐ to 3 Nm tightening torque
  • Tighten fastening Bolts ‐1‐ to 1 Nm tightening torque
  • Tighten the retaining clips and check for firm seat (All clips must be replaced)
  • Tighten fastening Bolts ‐3‐ to 1 Nm tightening torque

centre rear wall trim

 

  1. Install the rear wall compartment, passenger side rear wall trim and the centre console armrest

 

  1. End of procedure

 

Warranty information: 

Operation Defect Code Repair Code Time
Tank control unit replacement BUGVR5/1 1 hr

 


Chronology :

At the end of 2009 a car ran out of fuel during the final test drive in production – indicated 30 ltrs.

In January 2010 analysis has been conducted and concluded.

In February 2010 the repair solution has been published internally.

This has also been experienced in the field

 


7 Affected Products

Vehicles

MAKE MODEL YEAR
BUGATTI VEYRON 2006-2010
BUGATTI VEYRON GRAND SPORT 2010-2011

 


15 Associated Documents

Recall Acknowledgement

RCAK-16V200-5710.pdf 69.506KB

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Remedy Instructions and TSB

RCRIT-16V200-6935.pdf 767.612KB

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Part 577 Owner Notification Envelope

RONE-16V200-5655.pdf 62.392KB

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Defect 573 Report

RCLRPT-16V200-6022.PDF 30.42KB

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Recall 573 Report – Amendment 2

RCLRPT-16V200-2264.PDF 30.471KB

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Recall Quarterly Report #1, 2016-2

RCLQRT-16V200-4813.PDF 214.494KB

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Recall Quarterly Report #2, 2016-3

RCLQRT-16V200-1642.PDF 214.59KB

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Recall Quarterly Report #5, 2017-2

RCLQRT-16V200-5003.PDF 214.885KB

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Recall Quarterly Report #3, 2016-4

RCLQRT-16V200-1816.PDF 214.685KB

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Recall Quarterly Report #7, 2017-4

RCLQRT-16V200-4298.PDF 215.043KB

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Recall Quarterly Report #6, 2017-3

RCLQRT-16V200-3183.PDF 214.964KB

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Recall Quarterly Report #8, 2018-1

RCLQRT-16V200-7058.PDF 215.115KB

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Recall Quarterly Report #11, 2018-4

RCLQRT-16V200-9886.PDF 211.981KB

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Recall Quarterly Report #9, 2018-2

RCLQRT-16V200-6592.PDF 215.192KB

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Recall Quarterly Report #10, 2018-3

RCLQRT-16V200-6944.PDF 215.273KB

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Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=16V200&docType=RCL

 


 

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