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Service bulletin 20406

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 id10016571
Published by NHTSA2005-09-22
Manufacturer's number20406
Manufacturer's date2007-12-03
Replaces00067
NHTSA componentSUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

NHTSA's summary

AIR SUSPENSION SYSTEM - DIAGNOSIS. *TT UPDATED 2/27/08. *NJ

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

Suspension, Air suspension

Vehicles listed
JAGUAR XJ2004

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
204012005-02-10. Service bulletin. DIAGNOSING/SERVICING AIR SUSPENSION. GOTEC LEAK DETECTION SPRAY - SPECIFIED HOSE CUTTERS. *TT