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2000 Kia Sephia Power Train:automatic Transmission Problems

NHTSA component category: POWER TRAIN:AUTOMATIC TRANSMISSION · data through 07/12/2026

36Power Train:automatic Transmission complaints
13.5%Of all 266 complaints
#1Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How power train:automatic transmission ranks on this vehicle

POWER TRAIN:AUTOMATIC TRANSMISSION36 · 13.5%
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP18 · 6.8%
AIR BAGS:FRONTAL18 · 6.8%
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC17 · 6.4%

Share of the 266 complaints citing each category; one complaint can cite several. Full breakdown on the 2000 Kia Sephia overview page.

What owners report

“WHILE DRIVING 70 MPH OVERDRIVE AND ENGINE CHECK LIGHT CAME ON. VEHICLE THEN DROPPED DOWN TO 20 MPH. TOWED TO DEALER, AND TRANSMISSION WAS REPLACED…”NHTSA complaint 891015 — filed 06/22/2001
“CONSUMER HAS HAD TRANSMISSION REPLACED TWICE. CONTACTED DEALER.”NHTSA complaint 888604 — filed 05/18/2001
“CAR HAS BEEN TOWED FOR REPAIR 8 TIMES IN LESS THAN 18 MONTHS. NO SAFETY DEFECT LISTED.”NHTSA complaint 742382 — filed 03/13/2001

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Power Train:automatic Transmission complaints by year filed

119998200011200162002520034200412005

Frequently asked questions

Does the 2000 Kia Sephia have power train:automatic transmission problems?

Power Train:automatic Transmission is the most-reported problem area on the 2000 Kia Sephia: 36 of 266 complaints on file (13.5%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2000 Kia Sephia have in total?

266 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 42 involved a crash, 3 involved a fire, 39 reported injuries, and none reported deaths.

What does NHTSA's power train:automatic transmission category include?

NHTSA assigns each complaint to standard component categories; this page reports the POWER TRAIN:AUTOMATIC TRANSMISSION category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.