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Service bulletins for the 2014 Mazda Mazda6

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.

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

About P1794 on the 2014 Mazda Mazda6: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P1794 are shown. Show all

Bulletins, newest first
01-028-13-28582017-08-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Some customers may experience a warning message "i-ELOOP Inspection Required" in the instrument cluster information display while driving. The master warning light will also be illuminated. DTC P1794:00 (Capacitor (i-ELOOP) system: Capacitor (i-ELOOP) malfunction) is stored in PCM memory.
01-001-14-2868E2017-05-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME CUSTOMERS MAY EXPERIENCE THE FOLLOWING SYMPTOM:A.WARNING MESSAGE “I-ELOOP MALFUNCTION” (MAZDA3) OR “I-ELOOP INSPECTION REQUIRED” (MAZDA6) IS DIS-PLAYED IN THE INSTRUMENT CLUSTER INFORMATION DISPLAY WHILE DRIVING.B.THE MASTER WARNING LIGHT AND CHARGING SYSTEM WARNING LIGHT ILLUMINATE. C.DTC P1794:00 (CAPACITOR (I-ELOOP) SYSTEM: CAPACITOR (I-ELOOP) MALFUNCTION) IS STORED IN PCM MEMORY.
01-001-14-2868D2017-05-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME CUSTOMERS MAY EXPERIENCE ONE OF THE FOLLOWING TWO SYMPTOMS:1. SYMPTOM (MAZDA6 ONLY)A.WARNING MESSAGE “I-ELOOP INSPECTION REQUIRED” IS DISPLAYED IN THE INSTRUMENT CLUSTER INFORMATION DISPLAY WHILE DRIVING.B.THE MASTER WARNING LIGHT WILL BE ILLUMINATED. C.DTC P1794:00 (CAPACITOR (I-ELOOP) SYSTEM: CAPACITOR (I-ELOOP) MALFUNCTION) WILL BE STORED IN PCM MEM-ORY.
01-001-14-2868B2017-04-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME CUSTOMERS MAY EXPERIENCE ONE OF THE FOLLOWING TWO SYMPTOMS: 1. SYMPTOM (MAZDA6 ONLY) A. WARNING MESSAGE “I-ELOOP INSPECTION REQUIRED” IS DISPLAYED IN THE INSTRUMENT CLUSTER INFORMATION DISPLAY WHILE DRIVING. B. THE MASTER WARNING LIGHT WILL BE ILLUMINATED.C. DTC P1794:00 (CAPACITOR (I-ELOOP) SYSTEM: CAPACITOR (I-ELOOP) MALFUNCTION) WILL BE STORED IN PCM MEMORY.
01-001-14-2868C2017-04-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME CUSTOMERS MAY EXPERIENCE ONE OF THE FOLLOWING TWO SYMPTOMS: 1. SYMPTOM (MAZDA6 ONLY) A. WARNING MESSAGE “I-ELOOP INSPECTION REQUIRED” IS DISPLAYED IN THE INSTRUMENT CLUSTER INFORMATION DISPLAY WHILE DRIVING. B. THE MASTER WARNING LIGHT WILL BE ILLUMINATED.C. DTC P1794:00 (CAPACITOR (I-ELOOP) SYSTEM: CAPACITOR (I-ELOOP) MALFUNCTION) WILL BE STORED IN PCM MEMORY.
01-001-14-28682017-04-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME CUSTOMERS MAY EXPERIENCE ONE OF THE FOLLOWING TWO SYMPTOMS: 1. SYMPTOM (MAZDA6 ONLY) A. WARNING MESSAGE “I-ELOOP INSPECTION REQUIRED” IS DISPLAYED IN THE INSTRUMENT CLUSTER INFORMATION DISPLAY WHILE DRIVING. B. THE MASTER WARNING LIGHT WILL BE ILLUMINATED. C. DTC P1794:00 (CAPACITOR (I-ELOOP) SYSTEM: CAPACITOR (I-ELOOP) MALFUNCTION) WILL BE STORED IN PCM MEMORY.2. SYMPTOM (MAZDA3 AND MAZDA6) A. WARNING MESSAGE “BATTERY MANAGEMENT SYSTEM INSPECTION REQUIRED” AND THEN "CHARGING SYSTEM MALFUNCTION/ENGINE COULD STOP UNEXPECTEDLY” IS DISPLAYED IN THE INSTRUMENT CLUSTER INFORMATION DISPLAY AFTER DRIVING IN THE RAIN. B. THE MASTER WARNING LIGHT WILL BE ILLUMINATED. THE MAZDA6 WARNING INDICATOR LIGHT AND WARNING MESSAGES ARE SHOWN BELOW: C. THE FOLLOWING DTCS ARE STORED IN PCM MEMORY: • DTC P1794:00 - CAPACITOR (I-ELOOP) SYSTEM: CAPACITOR (I-ELOOP) MALFUNCTION • DTC P2502:00 - GENERATOR SYSTEM: MALFUNCTION IN VOLTAGE GENERATED BY GENERATOR
01-001-14-2868A2017-04-27. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME CUSTOMERS MAY EXPERIENCE ONE OF THE FOLLOWING TWO SYMPTOMS: 1. SYMPTOM (MAZDA6 ONLY) A. WARNING MESSAGE “I-ELOOP INSPECTION REQUIRED” IS DISPLAYED IN THE INSTRUMENT CLUSTER INFORMATION DISPLAY WHILE DRIVING. B. THE MASTER WARNING LIGHT WILL BE ILLUMINATED. C. DTC P1794:00 (CAPACITOR (I-ELOOP) SYSTEM: CAPACITOR (I-ELOOP) MALFUNCTION) WILL BE STORED IN PCM MEMORY.2. SYMPTOM (MAZDA3 AND MAZDA6) A. WARNING MESSAGE “BATTERY MANAGEMENT SYSTEM INSPECTION REQUIRED” AND THEN "CHARGING SYSTEM MALFUNCTION/ENGINE COULD STOP UNEXPECTEDLY” IS DISPLAYED IN THE INSTRUMENT CLUSTER INFORMATION DISPLAY AFTER DRIVING IN THE RAIN. B. THE MASTER WARNING LIGHT WILL BE ILLUMINATED. THE MAZDA6 WARNING INDICATOR LIGHT AND WARNING MESSAGES ARE SHOWN BELOW: C. THE FOLLOWING DTCS ARE STORED IN PCM MEMORY: • DTC P1794:00 - CAPACITOR (I-ELOOP) SYSTEM: CAPACITOR (I-ELOOP) MALFUNCTION • DTC P2502:00 - GENERATOR SYSTEM: MALFUNCTION IN VOLTAGE GENERATED BY GENERATOR

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