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

NHTSA Campaign Number: 16V200
Manufacturer Bugatti
Components FUEL SYSTEM, GASOLINE
Potential Number of Units Affected 72

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.

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.

Check if your Bugatti has a Recall

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:

Remove 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‐.

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.

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

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

Passenger side view of the monocoque without interior trim

Unscrew the 2 nuts with 10mm socket

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

Remove the Tank Control Unit

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