P1794 on the 2014 Mazda Mazda6
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| 01-028-13-2858 | 2017-08-10. Service bulletin. 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. |
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| 01-001-14-2868E | 2017-05-05. Service bulletin. 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. |
| 01-001-14-2868D | 2017-05-03. Service bulletin. 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. |
| 01-001-14-2868B | 2017-04-27. Service bulletin. 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. |
| 01-001-14-2868C | 2017-04-27. Service bulletin. 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. |
| 01-001-14-2868 | 2017-04-27. Service bulletin. 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 |
| 01-001-14-2868A | 2017-04-27. Service bulletin. 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 |
7 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.