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Service bulletin 01-015-14-2929

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 id10098244
Published by NHTSA2017-05-04
Manufacturer's number01-015-14-2929
Manufacturer's date2014-06-16
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE

NHTSA's summary

SOME VEHICLES MAY EXPERIENCE THE CHECK ENGINE LIGHT ON WITH DTC P0300:00 (RANDOM MISFIRE DETECTED) STORED IN MEMORY. THE VEHICLE CAN RUN NORMAL WITHOUT ANY DRIVEABILTY OR NVH CONCERN.THIS IS CAUSED BY IMPROPER PROGRAMMING OF THE PCM. TO CORRECT THE PROBLEM, THE PCM WILL BE REPROGRAMMED.

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

Engine, Equipment and accessories, Labels and manuals

Trouble codes named

P0300

Vehicles listed
MAZDA MAZDASPEED32010 to 2013

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