Total Complaints
2 filings
KIA SEPHIA · model year
2 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2003KIASEPHIA carries 2 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2003 SEPHIA is engine and engine cooling:engine with 1 filings, followed by air bags:frontal:sensor/control module (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 2 investigation files overlapping the 2003 SEPHIA. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
2 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ENGINE AND ENGINE COOLING:ENGINE | 1 |
| AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE | 1 |
WHILE DRIVING AT ANY SPEED THE ADVANCED AIR BAG WARNING LIGHT WILL INADVERTENTLY ILLUMINATE. THIS COULD CAUSE THE AIR BAGS TO BE INOPERATIVE. DEALERSHIP WA SAWARE OF THE PROBLEM, BUT DID NOT RESOLVE IT.
Mileage: 18,000
CONSUMER STATED THAT WHILE DRIVING AT ANY SPEED AND WITHOUT WARNING THE VEHICLE WOULD PULL TO THE LEFT CAUSING IT TO BE HARD TO CONTROL THE VEHICLE. DEALER NOTIFIED TS
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.