WenmarOpen by Wenmar Pro

Service bulletin SA284

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 id10086461
Published by NHTSA2016-12-16
Manufacturer's numberSA284
Manufacturer's date2016-04-05
NHTSA componentEQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

WE ARE CURRENTLY EXPERIENCING SOME TECHNICAL DIFFICULTIES WITH MS3 THAT IS AFFECTING THE DTC SEARCH FUNCTION WHEN USING LOWER-CASE LETTERS. FOR THE TIME BEING, PLEASE USE CAPITAL LETTERS WHEN PERFORMING A DTC SEARCH. FOR EXAMPLE: DTCS SHOULD BE ENTERED AS "P0300" AND NOT "P0300".

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

Electrical system, Equipment and accessories, Software

Trouble codes named

P0300

Vehicles listed
MAZDA UNKNOWN

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