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Electrical systemPart report

2003 Mazda Protege Electrical system Problems

Complaints
3about this part
Share
3%of 120 total for the year
Median mileage
50,284miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the electrical system of the 2003 Mazda Protege, 3% of the 120 complaints for this model year. Where a mileage was given, the median is 50,284 miles. 1 a fire, according to the filers.

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.

“The current issues ( which we believe are Mazda corporate issues) and inherent to this vehicle which has low, low, low miles have caused the engine to overheat and have resulted in an engine fire, twice, on the freeway: 1)faulty electrical parts: this vehicle has had the same electrical problems since the first day we brought it and has had multiple replacements of the electrical module, batteries, alarm system, and other items, which have proven faulty by Mazda. 2)shutter valve recall: ours was inspected, but not replaced even though things were out of sorts. It was later deemed a problem. …”

NHTSA complaint #10384300, filed 2011-02, 50,284 miles

“2003 Mazda Protege. Consumer states electrical problems with vehicle and several other concerns the consumer stated the lights stayed on and the alarm would sound intermittently. The dealer replaced the electrical module. The consumer also stated the engine overheated due to a water pump leak and leaking radiator, the battery was replaced several times, the vehicle was out of alignment, and the consumer had to purchase three sets of tires.”

NHTSA complaint #10385969, filed 2011-03

“When driving at any speed vehicles unexpectedly died. Dealer determined that computer needed reprogramming. Two months later the engine died again. The vehicle was taken in for second time where they service dealer could not find the problem. On one occasion the powertrain control module was reprogrammed due to the vehicle stalling.”

NHTSA complaint #10071833, filed 2004-06

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
200333%
200299%
200136%
200066%
199967%
199812%
199769%
199634%
1995159%
199457%
199337%
199258%
199148%
199013%

Other parts of the 2003 Mazda Protege

Engine cooling
34 complaints
Seat belts
17 complaints
Transmission and drivetrain
12 complaints
Suspension
11 complaints
Air bags
10 complaints
Tires
10 complaints
Brakes
7 complaints
Steering
7 complaints
Engine
6 complaints
Seats
4 complaints
Body and structure
4 complaints
Equipment
3 complaints

← All problems reported for the 2003 Mazda Protege

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