2003 Mazda MX-5 Miata Electrical system Problems
- Complaints
- 1about this part
- Share
- 7%of 14 total for the year
- Median mileage
- 650miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the electrical system of the 2003 Mazda MX-5 Miata, 7% of the 14 complaints for this model year. Where a mileage was given, the median is 650 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Every since I purchased my car on 5/7/03, I have been having hard starts--more than 24 times. In addition, when the car was less than a year old, another dealer told me all 4 rims were bent. I also had a racing issue occur 3 times on sat. 3/12. I have taken the car back to the dealer 3 times for the two intermittent problems. Recently, they fixed the hard start by replacing the battery but they charged me for it. They should not have charged me if this is what caused the hard starts since day one. I told them this but they said they didn't find the battery to be a problem then. …”
NHTSA complaint #10116762, filed 2005-04, 650 milesRelated service bulletins
- 11035599Jul 29, 2026This bulletin supersedes the previously issued bulletin(s) listed below. The changes are noted in Red text. 09-042/04 12/10/04 DESCRIPTION Some vehicles may exhibit inoperative…
- 11006987Aug 8, 2024In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by…
- 10232299Feb 28, 2023Speedometer replacement procedure
- 10188016Feb 8, 2021This 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…
- 10188015Feb 8, 2021The 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…
- 10186703Jan 21, 2021In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer
- 10170661Jan 9, 2020In accordance with Federal regulations, follow the procedure listed below when replacing a speedometer. NOTE: Tampering with a motor vehicle odometer is strictly prohibited by…
- 10213425Feb 17, 2016Speedometer replacement procedure
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 1 | 7% |
| 2002 | 3 | 15% |
| 2000 | 4 | 14% |
| 1999 | 10 | 14% |
| 1997 | 2 | 18% |
| 1996 | 1 | 3% |
| 1995 | 3 | 10% |
| 1994 | 2 | 11% |
| 1992 | 3 | 14% |
| 1991 | 2 | 10% |
Other parts of the 2003 Mazda MX-5 Miata
2 complaintsSteering
2 complaintsBody and structure
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsEquipment
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsSeats
1 complaintsSuspension
1 complaintsTires
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2003 Mazda MX-5 Miata
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology