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Service bulletin MT-002-22

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 id10208555
Published by NHTSA2022-03-04
Manufacturer's numberMT-002-22
Manufacturer's date2022-02-24
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Radio Unlocking Codes.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
MAZDA 6261993, 1994, 1995
MAZDA 9291992, 1993, 1994, 1995
MAZDA MILLENIA1995, 1996, 1997, 1998
MAZDA MX-31992, 1993, 1994, 1995
MAZDA MX-5 MIATA1992, 1993, 1994, 1995, 1996, 1997 (the catalog's model; the bulletin names a series or trim of it)
MAZDA MX-61992, 1993, 1994
MAZDA MX-61995
MAZDA RX-71992
MAZDA RX-71993, 1994, 1995

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

Recalls for the same vehicles and component
20154892015-10-19. Electrical
15V6740002015-10-19. ELECTRICAL SYSTEM:IGNITION:SWITCH
19941381994-08-30. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
09-024-222022-08-04. Service bulletin. In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer.
01-006-222022-07-06. Service bulletin. This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the battery periodically according to the repair procedure.
09007162022-06-06. Service bulletin. Speedometer replacement procedure
01005162022-06-06. Service bulletin. Battery test procedure requirements using the GR81291
01004162022-06-06. Service bulletin. Battery Maintenance
01-003/222022-04-05. Service bulletin. The Mazda DCA-8000 is required for all warranty battery testing. If the Mazda DCA-8000 is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code.
01-006-21-3779b2022-01-06. Service bulletin. Battery Maintenance: This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the battery periodically according to the repair procedure.
01-006-21-3779a2021-09-03. Service bulletin. This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the battery periodically according to the repair procedure.
01-006-21-37792021-03-03. Service bulletin. This service bulletin provides testing and charging procedures in order to promote proper battery maintenance, to deliver new vehicles with fully charged batteries, and to reduce unnecessary battery replacement cost. For new vehicles in stock at the dealer, inspect and maintain the battery periodically according to the repair procedure.
01-005-21-37782021-03-03. Service bulletin. The Mazda DCA-8000PM is required for all warranty battery testing. If the Mazda DCA-8000PM is not used, incorrect battery testing may result in unnecessary battery replacement. Use the following test procedures in this Service Bulletin to test Mazda vehicle batteries and to generate a Warranty Code.