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Electrical systemPart report

2004 Toyota Matrix Electrical system Problems

Complaints
9about this part
Share
7%of 138 total for the year
Median mileage
97,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the electrical system of the 2004 Toyota Matrix, 7% of the 138 complaints for this model year. Where a mileage was given, the median is 97,000 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.

“As I was leaving the highway via the exit, I stopped at the end of ramp leading to secondary highway. The vehicle's engine then unexpectedly accelerated while my foot was on the brake. The brakes seemed to barely keep it from propelling. I immediately put the car in neutral and the rpms returned to normal.”

NHTSA complaint #10561966, filed 2014-01, 34,300 miles

“2004 Toyota Matrix xr - failure of ECM (engine control module). 2005 - 2009 have been recalled for failure of this part. Toyota will not recognize need to cover failure in this model year.”

NHTSA complaint #10422433, filed 2011-08, 97,000 miles

“At two years and one month old, the original battery died and was not able to hold a charge. This occurred on 2/3/06 at 31,229 miles. A new battery was purchased for $ 68.06 and was installed on 2/6/06. Two days later the replacement battery died. It was recharged and ran ok for a few days. It died again on 2/12/06. Just before the original battery died the cd player stops working as did the clock. Neither of these has worked ever since.”

NHTSA complaint #10150485, filed 2006-02, 31,229 miles

“The contact owns a 2004 Toyota Matrix. While driving approximately 35 MPH, the vehicle failed to accelerate and the check engine warning light illuminated. The failure recurred multiple times. The vehicle was taken to an independent mechanic for diagnostic testing. The contact was informed that the catalytic converter needed to be replaced and the computer needed to be reset. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 150,000.”

NHTSA complaint #10722739, filed 2015-06, 150,000 miles

“The contact owns a 2004 Toyota Matrix. The contact stated that while driving at an unknown speed, the key fell out of the ignition. The contact placed the key back into the ignition and turned off the vehicle. The problem recurred numerous times. The dealer was contacted and communicated to the contact that the vehicle was not included in any recalls related to the failure. The vehicle was not repaired. The manufactured was notified about the failure. The approximate failure mileage was 210,000.”

NHTSA complaint #10626255, filed 2014-08, 210,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
201012%
200995%
2008821%
20071213%
20062213%
20052311%
200497%
2003124%

Other parts of the 2004 Toyota Matrix

Transmission and drivetrain
37 complaintsAir bags
35 complaintsVehicle speed control
15 complaintsVisibility (wipers, defrost, mirrors)
14 complaintsSteering
8 complaintsBody and structure
8 complaintsFuel system
7 complaintsEngine cooling
6 complaintsTires
6 complaintsSuspension
5 complaintsBrakes
4 complaintsEngine
4 complaints

← All problems reported for the 2004 Toyota Matrix

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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