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Service bulletin TSB-45-09-01

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10029084
Published by NHTSA2009-06-15
Manufacturer's numberTSB-45-09-01
Manufacturer's date2009-03-05
NHTSA componentSERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

NHTSA's summary

VOLKSWAGEN: SOFTWARE PARAMETERS IN ABS MODULE CAUSE UNNECESSARY FAULT CODE 02543-0089 VACUUM SENSOR IMPLAUSIBLE SIGNAL. SW PROGRAMMING UPDATE CORRECTS THE SYSTEM REACTION. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Anti-lock brakes

Vehicles listed
VOLKSWAGEN CC2009
VOLKSWAGEN PASSAT2009

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TT45061222023-07-10. Service bulletin. Use the following procedure to diagnose active wheel speed sensor complaints
TT45061222023-07-05. Service bulletin. Use the following procedure to diagnose active wheel speed sensor complaints:
TT 45 09 052020-10-06. Service bulletin. Antilock brake function test direction.