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Service bulletin 0400602

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 id10000666
Published by NHTSA2003-03-26
Manufacturer's number0400602
Manufacturer's date2002-12-11
NHTSA componentSERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

NHTSA's summary

BRAKE PRESSURE SWITCH / DEACTIVATOR SWITCH CIRCUIT FAILURE DIAGNOSIS C1939. ALL 2001 - 2003 TRUCK WITH 4WABS. *TT

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
MAZDA MAZDA TRUCK

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