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Service bulletins for the 2014 Mazda Mazda3

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.

882 on file from NHTSA, as of 2026-10-19.

About U3000 on the 2014 Mazda Mazda3: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: U3000 are shown. Show all

Bulletins, newest first
MT-010-182019-02-19. Service bulletin. ELECTRICAL SYSTEM. Some vehicles (with MAZDA CONNECT) may exhibit a condition where DTC U0323(PCM) / U0423(ABS) /U3000(IC) CANNOT be deleted when the TPMS warning light flashes and/or the TCS/DSC indicator lights are illuminated. This can happen if the ignition is turned OFF within 20 seconds after the ignition is turned ON in one of the following two situations. 1. The ?ROOM? fuse (Engine compartment) is NOT installed when battery level is low. 2. The CMU (Connectivity Master Unit) is NOT connected.
MT-010-182018-12-17. Service bulletin. ELECTRICAL SYSTEM; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Some vehicles (with MAZDA CONNECT) may exhibit a condition where DTC U0323(PCM) / U0423(ABS) /U3000(IC) CANNOT be deleted when the TPMS warning light flashes and/or the TCS/DSC indicator lights are illuminated. This can happen if the ignition is turned OFF within 20 seconds after the ignition is turned ON in one of the following two situations. 1. The ?ROOM? fuse (Engine compartment) is NOT installed when battery level is low. 2. The CMU (Connectivity Master Unit) is NOT connected.
09-007-15-30112017-05-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SOME VEHICLES MAY HAVE THE BLIND SPOT MONITORING (BSM) OFF INDICATOR LIGHT FLASHING AND DTC U3000:54 STORED IN MEMORY. THE CONCERN IS CAUSED BY INADEQUATE BSM CONTROL MODULE CONTROL LOGIC. THE BSM CONTROL MODULE SOFTWARE HAS BEEN UPDATED TO ELIMINATE THIS CONCERN.
08-001-15-30172017-05-18. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME VEHICLES MAY EXHIBIT INSTRUMENT CLUSTER TPMS, ABS AND TCS/DSC INDICATOR WARNING LIGHTS ON AND DTC U3000:49[STANDARD DEPLOYMENT CONTROL SYSTEM] OR C0061:29, C0062:29, C0063:29 [STANDARD DEPLOYMENT CONTROL SYSTEM] STORED IN MEMORY. THE AIRBAG, SCBS, AT, MRCC, LDWS AND HBC INSTRUMENT CLUSTER INDICATOR LIGHTS MAY ALSO COME ON. INTERNAL FAILURE OF THE SAS CONTROL MODULE MAY BE THE CAUSE.
09-037-14-2951A2017-05-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME VEHICLES MAY HAVE THE BLIND SPOT MONITORING (BSM) OFF INDICATOR LIGHT FLASHING AND DTC U3000:54 STORED IN MEMORY.THE CONCERN IS CAUSED BY INADEQUATE BSM CONTROL MODULE CONTROL LOGIC. THE BSM CONTROL MODULE SOFTWARE HAS BEEN UPDATED TO ELIMINATE THIS CONCERN.
09-037-14-29512017-05-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME VEHICLES MAY HAVE THE BLIND SPOT MONITORING (BSM) OFF INDICATOR LIGHT FLASHING AND DTC U3000:54 STORED IN MEMORY.THE CONCERN IS CAUSED BY INADEQUATE BSM CONTROL MODULE CONTROL LOGIC. THE BSM CONTROL MODULE SOFTWARE HAS BEEN UPDATED TO ELIMINATE THIS CONCERN.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.